An Ultrastable Crystal Oscillator for Beacons (Program SARSAT), (9999)
An oven controlled oscillator has been developed by QE.A in collaboration with the C.N.E.S. to equip beacons for the SARSAT project. The aim of this project is to speed up rescue operations by...
Measurement of $\alpha_{s}$ with Radiative Hadronic Events (2009)
Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, G, Anagnostou, G, Anderson, K J, ...
Hadronic final states with a hard isolated photon are studied using data taken at centre-of-mass energies around the mass of the Z0 boson with the OPAL detector at LEP. The strong coupling alpha S is...
Performance studies of the CMS Strip Tracker before installation (2009)
Adam, W, Bergauer, T, Dragicevic, M, Friedl, M, Frühwirth, R, Hansel, S, ...
In March 2007 the assembly of the Silicon Strip Tracker was completed at the Tracker Integration Facility at CERN. Nearly 15% of the detector was instrumented using cables, fiber optics, power...
Undulator-based production of polarized positrons (2009)
Alexander, G, Barley, J, Batygin, Y, Berridge, S, Bharadwaj, V, Bower, G, ...
Search for Charged Higgs Bosos in $e^{+}e^{-}$ Collisions at $\sqrt{s}$ = 189-209 GeV (2008)
Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, G, Anagnostou, G, Anderson, K J, ...
A search is made for charged Higgs bosons predicted by Two-Higgs-Doublet extensions of the Standard Model (2HDM) using electron-positron collision data collected by the OPAL experiment at...
Search for Charged Higgs Bosos in e+e- Collisions at sqrts(s) = 189-209 GeV (2008)
Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, G, Anagnostou, G, Anderson, K J, ...
A search is made for charged Higgs bosons predicted by Two-Higgs-Doublet extensions of the Standard Model (2HDM) using electron-positron collision data collected by the OPAL experiment at...
Asner, D. M., Barnes, T., Bian, J. M., Bigi, I. I., Brambilla, N., Boyko, I. R., ...
This physics book provides detailed discussions on important topics in $\tau$-charm physics that will be explored during the next few years at \bes3 . Both theoretical and experimental issues are...
J. Wiese, H. Steinmetz, A. Stahl
Application of case-based reasoning to predict sludge
The lepton-flavour violating decay \tau \to \mu \mu \antimu at the LHC (2008)
Giffels, M., Kallarackal, J., Kramer, M., O'Leary, B., Stahl, A.
Lepton-flavour violating tau-decays are predicted in many extensions of the Standard Model at a rate observable at future collider experiments. In this article we focus on the decay tau to mu mu...
Observation of polarized positrons from an undulator-based source (2008)
Alexander, G, Barley, J, Batygin, Y, Berridge, S, Bharadwaj, V, Bower, G, ...
Observation of Polarized Positrons from an Undulator-Based Source (2008)
G. Alexander, J. Barley, Y. Batygin, S. Berridge, V. Bharadwaj, ...
Journal article
Kovermann, J, Stahl, A, Mikhailichenko, AA, Scott, D, Moortgat-Pick, GA, Gharibyan, V, ...
A longitudinal polarized positron beam is foreseen for the international linear collider (ILC). A proof-of-principle experiment has been performed in the final focus test beam at SLAC to demonstrate...
Polarized Positrons and Electrons at the Linear Collider. (2008)
G. Moortgat-Pick, DESY Maschinenphysik, T. Abe, G. Alexander, B. Ananthanarayan, A.A. Babich, ...
Journal article
Polarized positrons and electrons at the linear collider (2008)
Moortgat-Pick, G, Abe, T, Alexander, G, Ananthanarayan, B, Babich, AA, Bharadwaj, V, ...
The proposed International Linear Collider (ILC) is well-suited for discovering physics beyond the Standard Model and for precisely unraveling the structure of the underlying physics. The physics...
Review of particle physics (2008)
Particle Data Group, Amsler, C, Doser, M, Antonelli, M, Asner, DM, Babu, KS, ...
Measurement of the $e^+ e^- \to W^+ W^-$ cross section and W decay branching fractions at LEP (2007)
Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, G, Anagnostou, G, Anderson, K J, ...
From a total data sample of 701.1 pb^-1 recorded with e+e- centre-of-mass energies of sqrt = 161-209 GeV with the OPAL detector at LEP, 11693 W-pair candidate events are selected. These data are used...
Bose-Einstein study of position-momentum correlations of charged pions in hadronic Z0 decays (2007)
Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, G, Anagnostou, G, Anderson, K J, ...
A study of Bose-Einstein correlations in pairs of identically charged pions produced in e+e- annihilations at the Z0 peak has been performed for the first time assuming a non-static emitting source....
Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, G, Anagnostou, G, Anderson, K J, ...
A search is performed for Higgs bosons decaying into invisible final states, produced in association with a Zo boson in e+e- collisions at energies between 183 and 209 GeV. The search is based on...
Search for Dirac Magnetic Monopoles in $e^{+}e^{-}$ Collisions with the OPAL Detector at LEP2 (2007)
Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, G, Anagnostou, G, Anderson, K J, ...
This letter describes a direct search for pair produced magnetic monopoles in e+e- collisions. The analysis is based on 62.7 pb^-1 of data collected with the OPAL detector at an average...
Inclusive Jet Production in Photon-Photon Collisions at $\sqrt{^{s}ee}$ from 189 to 209 GeV (2007)
Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, G, Anagnostou, G, Anderson, K J, ...
Inclusive jet production (e+e- -> e+e- +jet+X) is studied in collisions of quasi-real photons radiated by the LEP beams at e+e- centre-of-mass energies sqrt see from 189 to 209 GeV. Jets are...
Double Chooz, A Search for the Neutrino Mixing Angle $\theta$13 (2007)
Ardellier, F., Barabanov, I., Barriere, J.C., Beißel, F., Berridge, S., Bezrukov, L., ...
The Double Chooz Reactor Neutrino Experiment in France plans to quickly measure the neutrino mixing angle theta-13, or limit it to sin^2 2-theta_13 less than 0.025. The physics reach, experimental...
Sartz, L, De Jong, B, Hjertqvist, M, Plym-Forshell, L, Alsterlund, R, Lofdahl, S, ...
Abstract is not available
CMS physics technical design report, volume II: Physics performance (2007)
Bayatian, G. L., Chatrchyan, S., Hmayakyan, G., Sirunyan, A. M., Adam, W., Bergauer, T., ...
CMS is a general purpose experiment, designed to study the physics of pp collisions at 14 TeV at the Large Hadron Collider ( LHC). It currently involves more than 2000 physicists from more than 150...
Structure and relaxation effects in thin semiconducting films and quantum dots (2007)
C. Kumpf, A. Stahl, I. Gierz, C. Schumacher, S. Mahapatra, ...
Journal article
J. Kovermann, A. Stahl, A.A. Mikhailichenko, D. Scott, ...
Contribution to a conf. proceeding (journal)
A. Mikhailichenko, G. Alexander, Y. Batygin, S. Berridge, ...
Contribution to a conf. proceeding (book/online)
Polarized positrons and electrons at the linear collider (2007)
Moortgat-Pick, G, Abe, T, Alexander, G, Ananthanarayan, B, Babich, AA, Bharadwaj, V, ...
Sakura, the Japanese word for cherry blossoms (and an enduring metaphor for the ephemeral nature of life), reflects Andrew Stahl's continuing response to his travels and residencies in the Far East....
Inclusive Production of Charged Hadrons in Photon-Photon Collisions (2006)
Abbiendi, G, Åkesson, P F, De Roeck, A, Zivkovic, L, Zer-Zion, D, Yamashita, S, ...
The inclusive production of charged hadrons in the collisions of quasi-real photons e+e- -> e+e- +X has been measured using the OPAL detector at LEP. The data were taken at e+e- centre-of-mass...
Inclusive Production of Charged Hadrons in Photon-Photon Collisions (2006)
Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, G, Anagnostou, G, Anderson, K, ...
The inclusive production of charged hadrons in the collisions of quasi-real photons e+e- -> e+e- +X has been measured using the OPAL detector at LEP. The data were taken at e+e- centre-of-mass...
Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, G, Anagnostou, G, Anderson, K J, ...
This paper describes a topological search for an invisibly decaying Higgs boson,H, produced via the Bjorken process (e+e- -> HZ). The analysis is based on data recorded using the OPAL detector at LEP...
UK-Thai Visual Arts Showcase. Exhibition organised by the British Council in partnership with curator Ark Fongsmut, Bangkok University Gallery, Chulalongkorn University Art Centre and 100 Tonson...
Study of CP-violating asymmetries in $B^0 \to \pi^+\pi^-, K^+\pi^-$ decays (2006)
Aubert, B., Boutigny, D., Gaillard, J.M., Hicheur, A., Karyotakis, Y., Lees, J.P., ...
We present a measurement of the time-dependent CP-violating asymmetries in neutral B decays to the $\pi^+\pi^-$ CP eigenstate, and an updated measurement of the charge asymmetry in $B^0\to K^+\pi^-$...
Aubert, B., Boutigny, D., Gaillard, J.M., Hicheur, A., Karyotakis, Y., Lees, J.P., ...
We measure the branching fractions of the psi(2S) meson to the leptonic final states e+e- and mu+mu- relative to that for psi(2S)-->J/psi pi+pi-. The method uses psi(2S) mesons produced in the decay...
Aubert, B., Boutigny, D., Gaillard, J.M., Hicheur, A., Karyotakis, Y., Lees, J.P., ...
We present the results of searches for B decays to charmless two-body final states containing $\eta^\prime$ or $\omega$ mesons, based on 20.7 fb$^{-1}$ of data collected with the BABAR detector. We...
Measurement of the $B \rightarrow J/\psi K*(892)$ decay amplitudes (2006)
Aubert, B., Boutigny, D., Gaillard, J.M., Hicheur, A., Karyotakis, Y., Lees, J.P., ...
We present a measurement of the decay amplitudes in B-->J/psi K^*(892) channels using 20.7 fb-1 of data collected at the Upsilon(4S) resonance with the BABAR detector at PEP-II. We measure a P-wave...
Measurement of B $\to$ K$^{\star}\gamma$ branching fractions and charge asymmetries (2006)
Aubert, B., Boutigny, D., Gaillard, J.M., Hicheur, A., Karyotakis, Y., Lees, J.P., ...
The branching fractions of the exclusive decays $B^0\to K^{*0}\gamma$ and $B^+ \to K^{*+}\gamma$ are measured from a sample of $(22.74\pm 0.36)\times 10^6$ $B\bar B$ decays collected with the BABAR...
Measurement of branching fractions for exclusive B decays to charmonium final states (2006)
Aubert, B., Boutigny, D., Gaillard, J.M., Hicheur, A., Karyotakis, Y., Lees, J.P., ...
We report branching fraction measurements for exclusive decays of charged and neutral B mesons into two-body final states containing a charmonium meson. We use a sample of 22.72 +/- 0.36 million B...
Measurement of CP-violating asymmetries in B0 decays to CP eigenstates (2006)
Aubert, B., Boutigny, D., De Bonis, I., Gaillard, J.M., Jeremie, A., Karyotakis, Y., ...
Aubert, B., Boutigny, D., Gaillard, J.M., Hicheur, A., Karyotakis, Y., Lees, J.P., ...
We present measurements of the branching fractions and a search for CP-violating charge asymmetries in charmless hadronic decays of B mesons into two-body final states of kaons and pions. The results...
Aubert, B., Bazan, A., Boucham, A., Boutigny, D., De Bonis, I., Favier, J., ...
BABAR, the detector for the SLAC PEP-II asymmetric e+e- B Factory operating at the upsilon 4S resonance, was designed to allow comprehensive studies of CP-violation in B-meson decays. Charged...
QCD coherence and correlations of particles with restricted momenta in hadronic Z decays (2006)
Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, G, Anagnostou, G, Anderson, K J, ...
QCD coherence effects are studied based on measurements of correlations of particles with either restricted transverse momenta, pT
QCD coherence and correlations of particles with restricted momenta in hadronic Z decays (2006)
Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, G, Anagnostou, G, Anderson, K J, ...
QCD coherence effects are studied based on measurements of correlations of particles with either restricted transverse momenta, pT
Precision Electroweak Measurements on the Z Resonance (2006)
Schael, S, Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, G, Allison, J, ...
We report on the final electroweak measurements performed with data taken at the Z resonance by the experiments operating at the electron-positron colliders SLC and LEP. The data consist of 17...
Precision Electroweak Measurements on the Z Resonance (2006)
Schael, S, Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, G, Allison, J, ...
We report on the final electroweak measurements performed with data taken at the Z resonance by the experiments operating at the electron-positron colliders SLC and LEP. The data consist of 17...
Search for Neutral MSSM Higgs Bosons at LEP (2006)
Schael, S, Zivkovic, L, Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, ...
The four LEP collaborations, ALEPH, DELPHI, L3 and OPAL, have searched for the neutral Higgs bosons which are predicted by the Minimal Supersymmetric Standard Model (MSSM). The data of the four...
Search for Neutral MSSM Higgs Bosons at LEP (2006)
Schael, S, Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, ...
The four LEP collaborations, ALEPH, DELPHI, L3 and OPAL, have searched for the neutral Higgs bosons which are predicted by the Minimal Supersymmetric Standard Model (MSSM). The data of the four...
Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, G, Anagnostou, G, Anderson, K J, ...
Data from e+e- annihilation into hadrons at centre-of-mass energies between 91 GeV and 209 GeV collected with the OPAL detector at LEP, are used to study the four-jet rate as a function of the Durham...
Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, G, Anagnostou, G, Anderson, K J, ...
Data from e+e- annihilation into hadrons at centre-of-mass energies between 91 GeV and 209 GeV collected with the OPAL detector at LEP, are used to study the four-jet rate as a function of the Durham...
Studies for a Photon Collider at the ILC (2006)
Bechtel, F., Klaemke, G., Moenig, K., Nieto, H., Nowak, H., Rosca, A., ...
One option at the International Linear Collider is to convert the electron beams into high energy photon beams by Compton scattering a few millimetres in front of the interaction region. Selected...
Search for neutral MSSM Higgs bosons at LEP (2006)
Schael, S., Barate, R., Bruneliere, R., De Bonis, I., Decamp, D., Goy, C., ...
The four LEP collaborations, ALEPH, DELPHI, L3 and OPAL, have searched for the neutral Higgs bosons which are predicted by the Minimal Supersymmetric standard model (MSSM). The data of the four...
Search for neutral MSSM Higgs bosons (2006)
Achard, P., Adriani, O., Aguilar-Benítez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...
The four LEP collaborations, ALEPH, DELPHI, L3 and OPAL, have searched for the neutral Higgs bosons which are predicted by the Minimal Supersymmetric Standard Model (MSSM). The data of the four...
Search for neutral MSSM Higgs bosons (2006)
Achard, P., Adriani, O., Aguilar-Benítez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...
The four LEP collaborations, ALEPH, DELPHI, L3 and OPAL, have searched for the neutral Higgs bosons which are predicted by the Minimal Supersymmetric Standard Model (MSSM). The data of the four...
Search for neutral MSSM Higgs bosons at LEP (2006)
Achard, P., Adriani, O., Aguilar-Benítez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...
The four LEP collaborations, ALEPH, DELPHI, L3 and OPAL, have searched for the neutral Higgs bosons which are predicted by the Minimal Supersymmetric Standard Model (MSSM). The data of the four...
Studies for a photon collider at the ILC. (2006)
F. Bechtel, G. Klämke, G. Klemz, K. Mönig, H. Nieto, ...
Journal article
Search for neutral MSSM Higgs bosons at LEP (2006)
Achard, P., Adriani, O., Aguilar-Benítez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...
The four LEP collaborations, ALEPH, DELPHI, L3 and OPAL, have searched for the neutral Higgs bosons which are predicted by the Minimal Supersymmetric Standard Model (MSSM). The data of the four...
Search for neutral MSSM Higgs bosons at LEP (2006)
Achard, P., Adriani, O., Aguilar-Benítez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...
The four LEP collaborations, ALEPH, DELPHI, L3 and OPAL, have searched for the neutral Higgs bosons which are predicted by the Minimal Supersymmetric Standard Model (MSSM). The data of the four...
Panya Vijinthanasarn and Andrew Stahl: conversations, collaborations and new paintings (2006)
Vijinthanasarn, P., Stahl , A.
Both alumni of Britain’s prestigious Slade School of Art, Panya has recently been appointed Dean of Bangkok’s Silpakorn University, while also undertaking a large 31-metre mural commission for...
Colour reconnection in $e^{+}e^{-}\to W^{+}W^{-}$ at $\sqrt{s}$ = 189 - 209 GeV$ (2005)
Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, G, Allison, J, Amaral, P, ...
The effects of the final state interaction phenomenon known as colour reconnection are investigated at centre-of-mass energies in the range $\sqrt{s}~ 189-209 GeV using the OPAL detector at LEP....
Measurement of the mass and width of the W boson (2005)
Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, G, Allison, J, Amaral, P, ...
The mass and width of the W boson are measured using e+e- -> W+W- events from the data sample collected by the OPAL experiment at LEP at centre-of-mass energies between 170 GeV and 209 GeV. The mass...
Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, G, Allison, J, Amaral, P, ...
Searches were performed for topologies predicted by gauge-mediated Supersymmetry breaking models (GMSB). All possible lifetimes of the next-to-lightest SUSY particle (NLSP), either the lightest...
Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, G, Allison, J, Amaral, P, ...
Searches were performed for topologies predicted by gauge-mediated Supersymmetry breaking models (GMSB). All possible lifetimes of the next-to-lightest SUSY particle (NLSP), either the lightest...
Determination of $\alpha_{s}$ using Jet Rates at LEP with the OPAL detector (2005)
Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, G, Anagnostou, G, Anderson, K J, ...
Hadronic events produced in e+e- collisions by the LEP collider and recorded by the OPAL detector were used to form distributions based on the number of reconstructed jets. The data were collected...
Determination of $\alpha_{s}$ using Jet Rates at LEP with the OPAL detector (2005)
Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, G, Anagnostou, G, Anderson, K J, ...
Hadronic events produced in e+e- collisions by the LEP collider and recorded by the OPAL detector were used to form distributions based on the number of reconstructed jets. The data were collected...
Moortgat-Pick, G, Abe, T, Alexander, G, Ananthanarayan, B, Babich, A A, Barber, D, ...
The proposed International Linear Collider (ILC) is well-suited for discovering physics beyond the Standard Model and for precisely unraveling the structure of the underlying physics. The physics...
Polarized positrons and electrons at the linear collider (2005)
Moortgat-Pick, G, Abe, T, Alexander, G, Ananthanarayan, B, Babich, A A, Barber, D, ...
The proposed International Linear Collider (ILC) is well-suited for discovering physics beyond the Standard Model and for precisely unraveling the structure of the underlying physics. The physics...
Moortgat-Pick, G., Abe, T., Alexander, G., Ananthanarayan, B., Babich, A. A., Bharadwaj, V., ...
The proposed International Linear Collider (ILC) is well-suited for discovering physics beyond the Standard Model and for precisely unraveling the structure of the underlying physics. The physics...
Beam Calorimeter Technologies (2005)
Dollan, R., Grah, Ch., Kuznetsova, E., Lange, W., Lohmann, W., Stahl, A., ...
Two different technologies are considered for the Beam Calorimeters of the ILC detector. Simulation studies of the performance have been done for a diamond-tungsten sandwich calorimeter and for a...
Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, G, Allison, J, Amaral, P, ...
For the first time at LEP the production of prompt photons is studied in the collisions of quasi-real photons using the OPAL data taken at e+e- centre-of-mass energies between 183 GeV and 209 GeV....
Measurement of the running of the QED coupling in small-angle Bhabha scattering at LEP (2005)
Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, G, Anagnostou, G, Anderson, K J, ...
Using the OPAL detector at LEP, the running of the effective QED coupling alpha(t) is measured for space-like momentum transfer through its effect on the angular spectrum of small-angle Bhabha...
Measurement of the running of the QED coupling in small-angle Bhabha scattering at LEP (2005)
Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, G, Anagnostou, G, Anderson, K J, ...
Using the OPAL detector at LEP, the running of the effective QED coupling alpha(t) is measured for space-like momentum transfer through its effect on the angular spectrum of small-angle Bhabha...
Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, G, Allison, J, Amaral, P, ...
A study of Z-boson pair production in e+e- annihilation at center-of-mass energies between 190 GeV and 209 GeV is reported. Final states containing only leptons, (l+l-l+l- and l+l-nn), quark and...
Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, G, Allison, J, Amaral, P, ...
A study of Z-boson pair production in e+e- annihilation at center-of-mass energies between 190 GeV and 209 GeV is reported. Final states containing only leptons, (l+l-l+l- and l+l-nn), quark and...
C. Kumpf, R.B. Neder, F. Niederdraenk, P. Luczak, A. Stahl, ...
Journal article
Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, G, Allison, J, Amaral, P, ...
We have studied hadronic events from e+e- annihilation data at centre-of-mass energies from 91 to 209 GeV. We present distributions of event shape observables and their moments at each energy and...
Measurement of $R_b$ in $e^+ e^-$ Collisions at 182 - 209 GeV (2004)
Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, G, Allison, J, Amaral, P, ...
Measurements of Rb, the ratio of the bbbar cross-section to the qqbar cross- section in e+e- collisions, are presented. The data were collected by the OPAL experiment at LEP at centre-of-mass...
Search for Radions at LEP2 (2004)
Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, G, Allison, J, Amaral, P, ...
A new scalar resonance, called the radion, with couplings to fermions and bosons similar to those of the Higgs boson, is predicted in the framework of Randall-Sundrum models, proposed solutions to...
Determination of the LEP Beam Energy using Radiative Fermion-pair Events, 2004 (2004)
Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, G, Allison, J, Amaral, P, ...
We present a determination of the LEP beam energy using "radiative return" fermion-pair events recorded at centre-of-mass energies from 183 GeV to 209 GeV. We find no evidence of a disagreement...
Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, G, Allison, J, Amaral, P, ...
Upper limits on the cross-section of the pair-production process e+e- -> h0A0 assuming 100% decays into hadrons, are derived from a new search for the h0A0 -> hadrons topology, independent of the...
Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, G, Allison, J, Amaral, P, ...
Events with a final state consisting of two or more photons and large missing transverse energy have been observed in e+e- collisions at centre-of-mass energies in the range 192 - 209 GeV using the...
Search for neutral Higgs bosons in CP-conserving and CP-violating MSSM scenarios (2004)
Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, G, Allison, J, Amaral, P, ...
This report summarizes the final results from the OPAL collaboration on searches for neutral Higgs bosons predicted by the Minimal Supersymmetric Standard Model (MSSM). CP-conserving and for the...
Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, G, Allison, J, Amaral, P, ...
Flavour inclusive, udsc and b fragmentation functions in unbiased jets, and flavour inclusive, udsc, b and gluon fragmentation functions in biased jets are measured in e+e- annihilations from data...
Measurement of the Strange Spectral Function in Hadronic $\tau$ Decays (2004)
Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, G, Allison, J, Amaral, P, ...
Tau Lepton decays with open strangeness in the final state are measured with the OPAL detector at LEP to determine the strange hadronic spectral function of the tau lepton. The decays tau- ->...
Study of Bose-Einstein Correlations in $e^{+}e^{-}\to W^{+}W^{-}$ events at LEP (2004)
Abbiendi, G, Ainsley, C, Åkesson, T, Alexander, G, Allison, J, Amaral, P, ...
Bose-Einstein correlation between like-sign charged-particle pairs in e+e- -> W+W- events recorded with the OPAL detector at LEP at centre-of-mass energies between 183 GeV and 209 GeV are studied....
Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, G, Allison, J, Amaral, P, ...
Anomalous quartic couplings between the electroweak gauge bosons may contribute to the vv gamma gamma and qq gamma gamma final states produced in e+e- collisions. This analysis uses the LEP2 OPAL...
Search for Chargino and Neutralino Production at $\sqrt{s}$ = 192-209 GeV at LEP (2004)
Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, G, Allison, J, Amaral, P, ...
Approximately 438 pb-1 of e+e- data from the OPAL detector, taken with the LEP collider running at centre-of-mass energies of 192-209 Gev, are analyzed to search for evidence of chargino pair...
W Boson Polarisation at LEP2 (2003)
Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, G, Allison, J, Amaral, P, ...
Elements of the spin density matrix for W bosons in e+e- -> W+W- -> qqln events are measured from data recorded by the OPAL detector at LEP. This information is used calculate polarised differential...
Measurement of the partial widths of the Z into up- and down-type quarks (2003)
Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, G, Allison, J, Amaral, P, ...
Using the entire OPAL LEP1 on-peak Z hadronic decay sample, Z -> qbarq gamma decays were selected by tagging hadronic final states with isolated photon candidates in the electromagnetic calorimeter....
Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, G, Allison, J, Amaral, P, ...
A search for the Higgsstrahlung process e+e- -> hZ is described, where the neutral Higgs boson h is assumed to decay into hadronic final states. In order to be sensitive to a broad range of models,...
Search for R-parity violating decays of sfermions at LEP (2003)
Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, G, Allison, J, Amaral, P, ...
A search for pair-produced scalar fermions under the assumption that R-parity is not conserved has been performed using data collected with the OPAL detector at LEP. The data samples analysed...
Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, G, Allison, J, Amaral, P, ...
We present the first experimental results based on the jet boost algorithm, a technique to select unbiased samples of gluon jets in e+e- annihilations, i.e. gluon jets free of biases introduced by...
Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, G, Allison, J, Amaral, P, ...
A study of Z-boson pair production in e+e- annihilation at center-of-mass energies between 190 GeV and 209 GeV is reported. Final states containing only leptons, (l+l-l+l- and l+l-nn), quark and...
Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, G, Allison, J, Amaral, P, ...
Cross-section and angular distributions for hadronic and lepton-pair final states in e+e- collisions at centre-of-mass energies between 189 GeV and 209 GeV, measured with the OPAL detector at LEP,...
A Study of $W^{+}W^{-}\gamma$ Events at LEP (2003)
Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, G, Allison, J, Amaral, P, ...
A study of W+W- events accomanied by hard photon radiation produced in e+e- collisions at LEP is presented. Events consistent with being two on-shell W bosons and an isolated photon are selected from...
Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, G, Allison, J, Amaral, P, ...
In total 1317 di-lepton events with significant missing transverse momentum were identified in a total data sample of 680 pb-1 collected at e+e- centre-of-mass energies ranging from 183 GeV to 209...
Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, G, Allison, J, Amaral, P, ...
A search for single production of doubly-charged Higgs bosons has been performed using 600.7 pb^-1 of e+e- collision data with sqrt(s)=189--209GeV collected by the OPAL detector at LEP. No evidence...
A study of charm production in beauty decays with the OPAL detector at LEP (2003)
Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, G, Allison, J, Amaral, P, ...
Using an inclusive method, BR(b -> D\bar{D}X) has been measured in hadronic Z^0 decays with the OPAL detector at LEP. The impact parameter significance of tracks opposite tagged b-jets is used to...
Measurement of charged current triple gauge boson couplings using W pairs at LEP (2003)
Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, G, Allison, J, Amaral, P, ...
Triple gauge boson couplings are measured from W-pair and single photon events recorded by the OPAL detector at LEP at center-of-mass energies between 183 - 209 GeV with a total integrated luminosity...
Abbiendi, G, Carter, A, De Wolf, E, McPherson, R A, Neal, H, Thomson, M, ...
Hadronic Z0 decays with identified electrons or muons have been used to measure the forward-backward asymmetries of e^+e^- --> Z0 --> bbbar and e^+e^- --> Z0 --> ccbar events. The asymmetries at...
Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, G, Allison, J, Amaral, P, ...
Gluon jets with a mean energy of 22 GeV and purity of 95% are selected from hadronic Z0 decay events produced in e+e- annihilations. A subsample of these jets is identified which exhibits a large gap...
Abbiendi, G, Ainsley, C, Alexander, G, Åkesson, P F, Allison, J, Amaral, P, ...
For the first time at LEP the production of prompt photons is studied in the collisions of quasi-real photons using the OPAL data taken at e+e- centre-of-mass energies between 183 GeV and 209 GeV....
Abbiendi, G, Ainsley, C, Alexander, G, Åkesson, P F, Allison, J, Amaral, P, ...
For the first time at LEP the production of prompt photons is studied in the collisions of quasi-real photons using the OPAL data taken at e+e- centre-of-mass energies between 183 GeV and 209 GeV....
Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, G, Allison, J, Amaral, P, ...
A search for pair-produced leptoquarks is performed using e+e- collision events collected by the OPAL detector at LEP at centre-of-mass energies between 189 and 209 GeV. The data sample corresponds...
Abbiendi, G, Ainsley, C, Alexander, G, Allison, J, Amaral, P, Anagnostou, G, ...
A search for stable and long-lived massive particles of electric charge |Q/e|=1 or fractional charges of 2/3, 4/3, and 5/3 is reported using data collected by the OPAL detector at LEP, at...
Test of non-commutative QED in the process $e^{+}e^{-} \to \gamma \gamma$ at LEP (2003)
Abbiendi, G, Ainsley, C, Alexander, G, Allison, J, Amaral, P, Anagnostou, G, ...
Non-communicative QED would lead to deviations from the Standard Model depending on a new energy scale $\Delta_{NC}$ and a unique direction in space defined by two angles $\eta$ and $\xi$. Here in...
Bose-Einstein Correlations of $\pi^{0}$ Pairs from Hadronic $Z^{0}$ Decays (2003)
Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, Gideon, Allison, J, Amaral, P, ...
We observed Bose-Einstein correlation in pi0 pairs produced in Z0 decays using the data sample collected by the OPAL detector at LEP 1 from 1991 to 1995. Using a static Gaussian picture for the pion...
A Measurement of Semileptonic B Decays to Narrow Orbitally-Excited Charm Mesons (2003)
Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, Gideon, Allison, J, Amaral, P, ...
The decay chain b -> Bbar -> D^{**0} l nu X, D^{**0} -> D^{*+} pi^-, D^{*+} -> D^0 pi^+, D^0 ->(Kpi or K3pi) is identified in a sample of 3.9 million hadronic Z decays collected with the OPAL...
Di-Jet Production in Photon-Photon colisions at $\sqrt{s_{ee}}$ from 189 to 209 GeV (2003)
Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, Gideon, Allison, J, Amaral, P, ...
Di-jet producion is studied in collisions of quasi-real photons at e+e- centre- of-mass energies sqrt(s)ee from 189 to 209 GeV at LEP. The data were collected with the OPAL detector. Jets are...
Abstract is not available
Satisfaction with rollators among community-living users: a follow-up study. (2003)
Brandt, A, Iwarsson, S, Stahl, A
Abstract is not available
Dijet production in photon-photon collisions at s(ee)**(1/2) from 189-GeV to 209-GeV (2003)
OPAL Collaboration, Abbiendi, G, Ainsley, C, Akesson, P F, Alexander, G, Allison, J, ...
Bose-Einstein correlations of pi0 pairs from hadronic Z0 decays (2003)
OPAL Collaboration, Abbiendi, G, Ainsley, C, Akesson, P F, Alexander, G, Allison, J, ...
A Study of charm production in beauty decays with the OPAL detector at LEP (2003)
OPAL Collaboration, Abbiendi, G, Ainsley, C, Akesson, P F, Alexander, G, Allison, J, ...
Measurement of charged current triple gauge boson couplings using W pairs at LEP (2003)
OPAL Collaboration, Abbiendi, G, Ainsley, C, Akesson, P F, Alexander, G, Allison, J, ...
A Study of W+ W- gamma events at LEP (2003)
OPAL Collaboration, Abbiendi, G, Ainsley, C, Akesson, P F, Alexander, G, Allison, J, ...
Search for R parity violating decays of scalar fermions at LEP (2003)
OPAL Collaboration, Abbiendi, G, Ainsley, C, Akesson, P F, Alexander, G, Allison, J, ...
Measurement of the partial widths of the Z into up and down type quarks (2003)
OPAL Collaboration, Abbiendi, G, Ainsley, C, Akesson, P F, Alexander, G, Allison, J, ...
Search for chargino and neutralino production at s**(1/2) = 192-GeV to 209 GeV at LEP (2003)
OPAL Collaboration, Abbiendi, G, Ainsley, C, Akesson, P F, Alexander, G, Allison, J, ...
Test of noncommutative QED in the process e+ e- ---> gamma gamma at LEP (2003)
OPAL Collaboration, Abbiendi, G, Ainsley, C, Akesson, P F, Alexander, G, Allison, J, ...
W boson polarization at LEP2 (2003)
OPAL Collaboration, Abbiendi, G, Ainsley, C, Akesson, P F, Alexander, G, Allison, J, ...
SLD Collaboration, Abe, Koya, Abe, Kenji, Abe, T, Adam, I, Akimoto, H, ...
Synthesis, structure and spectroscopic characterization of water-soluble CdS nanoparticles (2003)
Barglik-Chory, C., Buchold, D., Schmitt, M., Kiefer, W., Heske, C., Kumpf, C., ...
New Paintings and Drawings: Bangkok Mosaic (2003)
From mid June to mid September this year (2003) Andrew Stahl was artist in residence at Silpakorn University, Bangkok. His paintings are attempts to make the most euphoric and advanced paintings...
A Measurement of the $\tau^{-}\to \mu^{-}\overline{\nu}_{\mu}\nu_{\tau}$ Branching Ratio (2002)
Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, Gideon, Allison, J, Amaral, P, ...
The tau -> mu nu nu branching ratio has been measured using data collected from 1990 to 1995 by the OPAL detector at the LEP collider. The resulting value of B(tau -> mu nu nu) = 0.1734 +-...
Sfermion Precision Measurements at a Linear Collider (2002)
Freitas, A., Kalinowski, J., Ananthanarayan, B., Bartl, A., Blair, G. A., Blochinger, C., ...
At future e+- e- linear colliders, the event rates and clean signals of scalar fermion production - in particular for the scalar leptons - allow very precise measurements of their masses and...
Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, Gideon, Allison, J, Amaral, P, ...
We have measured the mean charged particle multiplicities separately for bbbar, ccbar and light quark (uubar, ddbar, ssbar) initiated events produced in e+e- annihilations at LEP. The data were...
Multi-Photon Production in $e^{+}e^{-}$ collisions at $\sqrt{s}$ = 181 - 209 GeV (2002)
Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, Gideon, Allison, J, Amaral, P, ...
The process e+e- -> gamma gamma (gamma) is studied using data collected by the OPAL detector at LEP between the years 1997 and 2000. The data set corresponds to an integrated luminosity of 672.3pb-1...
Search for Nearly Mass-Degenerate Charginos and Neutralinos at LEP (2002)
Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, Gideon, Allison, J, Amaral, P, ...
A search was performed for charginos with masses close to the mass of the lightest neutralino in e+e- collisions at centre-of-mass energies of 189-209 GeV recorded by the OPAL detector at LEP. Events...
Search for the Standard Model Higgs Boson with the OPAL Detector at LEP (2002)
Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, Gideon, Allison, J, Amaral, P, ...
This paper summarises the search for the Standard Model Higgs boson in e+e- collisions at centre-of-mass energies up to 209 GeV performed by the OPAL Collaboration at LEP. The consistency of the data...
Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, Gideon, Allison, J, Amaral, P, ...
The b quark forward-backward asymmetry has been measured using hadronic Z0 decays collected by the OPAL experiment at LEP. Z0 -> bbbar decays were selected using a combination of secondary vertex and...
Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, G, Allison, J, Amaral, P, ...
We have analysed the data collected by OPAL at centre-of-mass energies between 189 and 209 GeV searching for Higgs boson candidates from the process e/sup +/e/sup -/ to h/sup 0/Z/sup 0/ followed by...
Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, Gideon, Allison, J, Amaral, P, ...
The exclusive production of proton-antiproton pairs in the collisions of two quasi-real photons had been studied using data taken at sqrt(s)_ee=183 GeV and 189 GeV with the OPAL detector at LEP....
Charged Particle Momentum Spectra in $e^+ e^-$ annihilation at $\sqrt{s}$ = 192-209 GeV (2002)
Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, Gideon, Allison, J, Amaral, P, ...
Charged particle momentum distributions are studied in the reaction e+e- -> hadrons, using data collected with the OPAL detector at centre-of-mass energies from 192 GeV to 209 GeV. The data...
Search for scalar top and scalar bottom quarks at LEP (2002)
Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, Gideon, Allison, J, Amaral, P, ...
Searches for a scalar top quark and a scalar bottom quark have been performed using a data sample of 438 pb-1 at centre-of-mass energies of sqrt(s) = 192 - 209 GeV collected with the OPAL detector at...
Measurement of Neutral-Current Four-Fermion Production at LEP2 (2002)
Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, Gideon, Allison, J, Amaral, P, ...
Four-fermion final states qqbar e+e- and qqbar mu+mu- from neutral-current interactions in e+e- collisions are studied in the OPAL detector at LEP at centre-of-mass energies from 183 GeV to 209 GeV....
Inclusive Analysis of the b Quark Fragmentation Function in Z Decays at LEP (2002)
Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, Gideon, Allison, J, Amaral, P, ...
A study of b quark hadronisation is presented using inclusively reconstructed B hadrons in about four million hadronic Z decays recorded in 1992-2000 with the OPAL detector at LEP. The data are...
Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, Gideon, Allison, J, Amaral, P, ...
A search is performed for production of short-lived particles in e+e- -> XY, with X -> gamma gamma and Y -> ffbar, for scalar X and scalar or vector Y. Model-independent limits in the range of 25-60...
Decay-mode independent searches for new scalar bosons with the OPAL detector at LEP (2002)
Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, Gideon, Allison, J, Amaral, P, ...
This paper describes topological searches for neutral scalar bosons S0 produced in association with a Z0 boson via the Bjorken process e+e- -> S0Z0 at centre-of-mass energies of 91 GeV and 183-209...
Measurement of the Charm structure Function $F_{2}^{\gamma},c$ of the Photon at LEP (2002)
Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, Gideon, Allison, J, Amaral, P, ...
The production of charm quarks is studied in deep-inelastic electron-photon scattering using data recorded by the OPAL detector at LEP at normal e+e- centre-of-mass energies from 183 to 209 GeV. The...
Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, Gideon, Allison, J, Anagnostou, G, ...
A novel method of determining the mass of the W boson in the W+W- -> lnu lnu channel is presented and applied to 667pb^-1 of data recorded at the center-of- mass energies in the range 183-207 GeV...
Measurement of the Hadronic Photon Structure Function $F_{2}^{\gamma}$ at LEP2 (2002)
Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, Gideon, Allison, J, Anagnostou, G, ...
The hadronic structure of the photon F2gamma is measured as a function of Bjorken x and of the photon virtuality Q2 using deep-inelastic scattering data taken by the OPAL detector at LEP at e+e-...
A Measurement of the tau- ---> mu- anti-nu(mu) nu(tau) branching ratios (2002)
OPAL Collaboration, Abbiendi, G, Ainsley, C, Akesson, P F, Alexander, G, Allison, J, ...
A Measurement of semileptonic B decays to narrow orbitally excited charm mesons (2002)
OPAL Collaboration, Abbiendi, G, Ainsley, C, Akesson, P F, Alexander, G, Allison, J, ...
Charged particle momentum spectra in e+ e- annihilation at s**(1/2) = 192-GeV to 209-GeV (2002)
OPAL Collaboration, Abbiendi, G, Ainsley, C, Akesson, P F, Alexander, G, Allison, J, ...
Measurement of the charm structure function F2(c)(gamma) of the photon at LEP (2002)
OPAL Collaboration, Abbiendi, G, Ainsley, C, Akesson, P F, Alexander, G, Allison, J, ...
Decay mode independent searches for new scalar bosons with the OPAL detector at LEP (2002)
OPAL Collaboration, Abbiendi, G, Ainsley, C, Akesson, P F, Alexander, G, Allison, J, ...
Inclusive analysis of the b quark fragmentation function in Z decays at LEP (2002)
OPAL Collaboration, Abbiendi, G, Ainsley, C, Akesson, P F, Alexander, G, Allison, J, ...
Measurement of neutral current four fermion production at LEP-2 (2002)
OPAL Collaboration, Abbiendi, G, Ainsley, C, Akesson, P F, Alexander, G, Allison, J, ...
Charged particle multiplicities in heavy and light quark initiated events above the Z0 peak (2002)
OPAL Collaboration, Abbiendi, G, Ainsley, C, Akesson, P F, Alexander, G, Allison, J, ...
Measurement of the hadronic photon structure function F**gamma(2) at LEP-2 (2002)
OPAL Collaboration, Abbiendi, G, Ainsley, C, Akesson, P F, Alexander, G, Allison, J, ...
Measurement of the mass of the W boson in e+ e- collisions using the fully leptonic channel (2002)
OPAL Collaboration, Abbiendi, G, Ainsley, C, Akesson, P F, Alexander, G, Allison, J, ...
Search for charged excited leptons in e+ e- collisions at s**(1/2) = 183-GeV to 209-GeV (2002)
OPAL Collaboration, Abbiendi, G, Ainsley, C, Akesson, P F, Alexander, G, Allison, J, ...
Search for a low mass CP odd Higgs boson in e+ e- collisions with the OPAL detector at LEP-2 (2002)
OPAL Collaboration, Abbiendi, G, Ainsley, C, Akesson, P F, Alexander, G, Allison, J, ...
Multiphoton production in e+ e- collisions at s**(1/2) = 181-GeV to 209-GeV (2002)
OPAL Collaboration, Abbiendi, G, Ainsley, C, Akesson, P F, Alexander, G, Allison, J, ...
Search for scalar top and scalar bottom quarks at LEP (2002)
OPAL Collaboration, Abbiendi, G, Ainsley, C, Akesson, P F, Alexander, G, Allison, J, ...
Search for nearly mass degenerate charginos and neutralinos at LEP (2002)
OPAL Collaboration, Abbiendi, G, Ainsley, C, Akesson, P F, Alexander, G, Allison, J, ...
Search for the standard model Higgs boson with the OPAL detector at LEP (2002)
OPAL Collaboration, Abbiendi, G, Ainsley, C, Akesson, P F, Alexander, G, Allison, J, ...
Measurement of the b quark fragmentation function in Z0 decays (2002)
SLD Collaboration, Abe, Koya, Abe, Kenji, Abe, T, Adam, I, Akimoto, H, ...
SLD Collaboration, Abe, Koya, Abe, Kenji, Abe, T, Adam, I, Akimoto, H, ...
SLD Collaboration, Abe, Kenji, Abe, Koya, Abe, T, Adam, I, Akimoto, H, ...
SLD Collaboration, Abe, Kenji, Abe, Koya, Abe, T, Adam, I, Akimoto, H, ...
SLD Collaboration, Abe, Koya, Abe, Kenji, Abe, T, Adam, I, Akimoto, H, ...
A Study of correlations between identified charged hadrons in hadronic Z0 decays (2002)
SLD Collaboration, Abe, Koya, Abe, Kenji, Abe, T, Adam, I, Akimoto, H, ...
Production of charged pi+-, K+- and p / anti-p in hadronic Z0 decays (2002)
SLD Collaboration, Abe, Koya, Abe, Kenji, Abe, T, Adam, I, Akimoto, H, ...
Aubert, B., Bazan, A., Boucham, A., Boutigny, D., De Bonis, I., Favier, J., ...
BABAR, the detector for the SLAC PEP-II asymmetric e+e- B Factory operating at the upsilon 4S resonance, was designed to allow comprehensive studies of CP-violation in B-meson decays. Charged...
Study of CP-violating asymmetries in $B^0 \to \pi^+\pi^-, K^+\pi^-$ decays (2002)
Aubert, B., Boutigny, D., Gaillard, J.M., Hicheur, A., Karyotakis, Y., Lees, J.P., ...
We present a measurement of the time-dependent CP-violating asymmetries in neutral B decays to the $\pi^+\pi^-$ CP eigenstate, and an updated measurement of the charge asymmetry in $B^0\to K^+\pi^-$...
Aubert, B., Boutigny, D., Gaillard, J.M., Hicheur, A., Karyotakis, Y., Lees, J.P., ...
We measure the branching fractions of the psi(2S) meson to the leptonic final states e+e- and mu+mu- relative to that for psi(2S)-->J/psi pi+pi-. The method uses psi(2S) mesons produced in the decay...
Measurement of branching fractions for exclusive B decays to charmonium final states (2002)
Aubert, B., Boutigny, D., Gaillard, J.M., Hicheur, A., Karyotakis, Y., Lees, J.P., ...
We report branching fraction measurements for exclusive decays of charged and neutral B mesons into two-body final states containing a charmonium meson. We use a sample of 22.72 +/- 0.36 million B...
Measurement of B $\to$ K$^{\star}\gamma$ branching fractions and charge asymmetries (2002)
Aubert, B., Boutigny, D., Gaillard, J.M., Hicheur, A., Karyotakis, Y., Lees, J.P., ...
The branching fractions of the exclusive decays $B^0\to K^{*0}\gamma$ and $B^+ \to K^{*+}\gamma$ are measured from a sample of $(22.74\pm 0.36)\times 10^6$ $B\bar B$ decays collected with the BABAR...
Aubert, B., Bazan, A., Boucham, A., Boutigny, D., De Bonis, I., Favier, J., ...
BABAR, the detector for the SLAC PEP-II asymmetric e+e- B Factory operating at the upsilon 4S resonance, was designed to allow comprehensive studies of CP-violation in B-meson decays. Charged...
Study of CP-violating asymmetries in $B^0 \to \pi^+\pi^-, K^+\pi^-$ decays (2002)
Aubert, B., Boutigny, D., Gaillard, J.M., Hicheur, A., Karyotakis, Y., Lees, J.P., ...
We present a measurement of the time-dependent CP-violating asymmetries in neutral B decays to the $\pi^+\pi^-$ CP eigenstate, and an updated measurement of the charge asymmetry in $B^0\to K^+\pi^-$...
Aubert, B., Boutigny, D., Gaillard, J.M., Hicheur, A., Karyotakis, Y., Lees, J.P., ...
We measure the branching fractions of the psi(2S) meson to the leptonic final states e+e- and mu+mu- relative to that for psi(2S)-->J/psi pi+pi-. The method uses psi(2S) mesons produced in the decay...
Measurement of branching fractions for exclusive B decays to charmonium final states (2002)
Aubert, B., Boutigny, D., Gaillard, J.M., Hicheur, A., Karyotakis, Y., Lees, J.P., ...
We report branching fraction measurements for exclusive decays of charged and neutral B mesons into two-body final states containing a charmonium meson. We use a sample of 22.72 +/- 0.36 million B...
Measurement of B $\to$ K$^{\star}\gamma$ branching fractions and charge asymmetries (2002)
Aubert, B., Boutigny, D., Gaillard, J.M., Hicheur, A., Karyotakis, Y., Lees, J.P., ...
The branching fractions of the exclusive decays $B^0\to K^{*0}\gamma$ and $B^+ \to K^{*+}\gamma$ are measured from a sample of $(22.74\pm 0.36)\times 10^6$ $B\bar B$ decays collected with the BABAR...
Search for Leptoquarks in Electron-Photon Scattering at $\sqrt{s_{ee}}$ up to 209 GeV at LEP (2001)
Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, Gideon, Allison, J, Anagnostou, G, ...
Searches for first generation scalar and vector leptoquarks, and for squarks in R-parity violating SUSY models with the direct decay of the squark into Standard Model particles, have been performed...
Search for Doubly Charged Higgs Bosons with the OPAL detector at LEP (2001)
Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, Gideon, Allison, J, Anagnostou, G, ...
A search for pair-produced doubly charged Higgs bosons has been performed using data samples corresponding to an integrated luminosity of about 614 pb-1 collected with the OPAL detector at LEP at...
Particle multiplicity of unbiased gluon jets from $e^+ e^-$ three-jet events (2001)
Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, Gideon, Allison, J, Anagnostou, G, ...
The charged particle multiplicities of two- and three-jet events from the reaction e+e- -> Z0 -> hadrons are measured for Z0 decays to light quark (uds) flavors. Using recent theoretical expressions...
Search for Yukawa Production of a Light Neutral Higgs Boson at LEP (2001)
Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, Gideon, Allison, J, Anagnostou, G, ...
Within a Two-Higgs-Doublet Model (2HDM) a search for a light Higgs boson in the mass range of 4-12 GeV has been performed in the Yukawa process e+e- -> b bbar A/h -> b bbar tau+tau-, using the data...
Genuine Correlations of Like-Sign Particles in Hadronic $Z^0$ Decays (2001)
Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, Gideon, Allison, J, Anagnostou, G, ...
Correlations among hadrons with the same electric charge produced in Z0 decays are studied using the high statistics data collected from 1991 through 1995 with the OPAL detector at LEP. Normalized...
Search for Single Top Quark Production at LEP2 (2001)
Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, Gideon, Allison, J, Anagnostou, G, ...
A search for single top quark production via flavour changing neutral currents (FCNC) was performed with data collected by the OPAL detector at the e+e- collider LEP. Approximately 600 pb-1 of data...
Measurement of the Hadronic Cross-Section for the Scattering of Two Virtual Photons at LEP (2001)
Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, Gideon, Allison, J, Anagnostou, G, ...
The interaction of virtual photons is investigated using the reaction e+e- -> e+e- hadrons based on data taken by the OPAL experiment at e+e- centre-of-mass energies sqrt(s_ee)=189-209 GeV, for W>5...
Measurement of $Z/\gamma^{*}$ production in Compton scattering of quasi-real photons (2001)
Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, Gideon, Allison, J, Anagnostou, G, ...
The process e+ e- -> e+ e- Z/gamma* is studied with the OPAL detector at LEP at a centre of mass energy of sqrt(s) = 189 GeV. The cross-section times the branching ratio of the Z/gamma* decaying into...
Determination of the b Quark Mass at the Z Mass Scale (2001)
Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, Gideon, Allison, J, Anagnostou, G, ...
In hadronic decays of Z bosons recorded with the OPAL detector at LEP, events containing b quarks were selected using the long lifetime of b flavoured hadrons. Comparing the 3-jet rate in b events...
Search for Lepton Flavour Violation in $e^+e^-$ Collisions at $\sqrt{s}$ = 189 - 209 GeV (2001)
Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, Gideon, Allison, J, Anagnostou, G, ...
We search for lepton flavour violating events (e mu, e tau and mu tau) that could be directly produced in e+e- annihilations, using the full available data sample collected with the OPAL detector at...
Measurement of the Branching Ratio for the Process $b \to \tau^{-}\overline{\nu}_{\tau}X$ (2001)
Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, Gideon, Allison, J, Anagnostou, G, ...
The inclusive branching ratio for the process b -> tau nu X has been measured using hadronic Z decays collected by the OPAL experiment at LEP in the years 1992-2000. The result is: BR(b -> tau nu X)...
Angular Analysis of the Muon Pair Asymmetry at LEP 1 (2001)
Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, Gideon, Allison, J, Anagnostou, G, ...
Data on muon pair production obtained by the OPAL collaboration at centre of mass energies near the Z peak are analysed. Small angular mismatches between the directions of the two muons are used to...
Measurement of |$V_{ub}$| using b hadron semileptonic decays (2001)
Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, Gideon, Allison, J, Anagnostou, G, ...
The magnitude of the CKM matrix element Vub is determined by measuring the inclusive charmless semileptonic branching fraction of beauty hadrons at OPAL based on b -> Xu l nu event topology and...
Abbiendi, G, Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, Gideon, Allison, J, ...
A search for first generation scalar and vector leptoquarks (LQ) as well as for squarks in R-parity violating SUSY models has been performed using e+e- collisions collected with the OPAL detector at...
Precision Neutral Current Asymmetry Parameter Measurements from the Tau Polarization at LEP (2001)
Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, Gideon, Allison, J, Anagnostou, G, ...
Measurements of the tau lepton polarization and forward-backward polarization asymmetry near the Z resonance using the OPAL detector are described. The measurements are based on analyses of tau -> e...
Measurement of the Branching Ratio for $D_{s} \to \tau\nu_{\tau}$ Decays (2001)
Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, Gideon, Allison, J, Anagnostou, G, ...
Using about 3.9 million hadronic Z decays from e+e- collisions recorded by the OPAL detector at LEP at centre-of-mass energies near MZ the branching ratio for the decay D_s -> tau nu_tau has been...
A Simultaneous Measurement of the QCD Colour Factors and the Strong Coupling (2001)
Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, Gideon, Allison, J, Anagnostou, G, ...
Using data from e+e- annihilation into hadrons, taken with the OPAL detector at LEP at the Z pole between 1991 and 1995, we performed a simultaneous measurement of the colour factors of the...
A Search for a Narrow Radial Excitation of the $D^{*\pm}$ Meson (2001)
Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, Gideon, Allison, J, Anagnostou, G, ...
A sample of 3.73 million hadronic Z decays, recorded with the OPAL detector at LEP in the years 1991-95, has been used to search for a narrow resonance corresponding to the decay of the D*'+/-(2629)...
The first year of the BABAR experiment at PEP-II (2001)
Aubert, B., Boucham, A., Boutigny, D., De Bonis, I., Favier, J., Gaillard, J.M., ...
The BABAR detector, situated at the SLAC PEP-II asymmetric e^+e^- collider, has been recording data at energies on and around the Upsilon(4S) resonance since May 1999. In this paper, we briefly...
Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, Gideon, Allison, J, Anagnostou, G, ...
A search for the Standard Model Higgs boson has been performed with the OPAL detector at LEP based on the full data sample collected at sqrt(s) = 192-209 GeV in 1999 and 2000, corresponding to an...
Measurement of CP violating asymmetries in B0 decays to CP eigenstates (2001)
BABAR Collaboration, Aubert, B, Boutigny, D, De Bonis, I, Gaillard, JM, Jeremie, A, ...
Measurement of j / psi production in continuum e+ e- annihilations near s**(1/2) = 10.6-GeV (2001)
BABAR Collaboration, Aubert, B, Boutigny, D, Gaillard, J M, Hicheur, A, Karyotakis, Y, ...
Measurement of the decays B ---> phi K and B ---> phi K* (2001)
BABAR Collaboration, Aubert, B, Boutigny, D, Gaillard, J M, Hicheur, A, Karyotakis, Y, ...
A Simultaneous measurement of the QCD color factors and the strong coupling (2001)
OPAL Collaboration, Abbiendi, G, Ainsley, C, Akesson, PF, Alexander, G, Allison, J, ...
A Search for a narrow radial excitation of the D*+- meson (2001)
OPAL Collaboration, Abbiendi, G, Ainsley, C, Akesson, P F, Alexander, G, Allison, J, ...
Determination of the b quark mass at the Z mass scale (2001)
OPAL Collaboration, Abbiendi, G, Ainsley, C, Akesson, P F, Alexander, G, Allison, J, ...
Angular analysis of the muon pair asymmetry at LEP I (2001)
OPAL Collaboration, Abbiendi, G, Ainsley, C, Akesson, P F, Alexander, G, Allison, J, ...
Genuine correlations of like - sign particles in hadronic Z0 decays (2001)
OPAL Collaboration, Abbiendi, G, Ainsley, C, Akesson, P F, Alexander, G, Allison, J, ...
Measurement of the branching ratio for D(s)- ---> tau- anti-nu(tau) decays (2001)
OPAL Collaboration, Abbiendi, G, Ainsley, C, Akesson, P F, Alexander, G, Allison, J, ...
Precision neutral current asymmetry parameter measurements from the tau polarization at LEP (2001)
OPAL Collaboration, Abbiendi, G, Ainsley, C, Akesson, P F, Alexander, G, Allison, J, ...
Measurement of |V(ub)| using b hadron semileptonic decay (2001)
OPAL Collaboration, Abbiendi, G, Ainsley, C, Akesson, P F, Alexander, G, Allison, J, ...
Measurement of Z / gamma* production in Compton scattering of quasi-real photons (2001)
OPAL Collaboration, Abbiendi, G, Ainsley, C, Akesson, P F, Alexander, G, Allison, J, ...
Measurement of the branching ratio for the process b ---> tau- anti-nu(tau) X (2001)
OPAL Collaboration, Abbiendi, G, Ainsley, C, Akesson, P F, Alexander, G, Allison, J, ...
Measurement of the hadronic cross-section for the scattering of two virtual photons at LEP (2001)
OPAL Collaboration, Abbiendi, G, Ainsley, C, Akesson, P F, Alexander, G, Allison, J, ...
Particle multiplicity of unbiased gluon jets from e+ e- three jet events (2001)
OPAL Collaboration, Abbiendi, G, Ainsley, C, Akesson, P F, Alexander, G, Allison, J, ...
Search for lepton flavor violation in e+ e- collisions at s**(1/2) = 189-GeV - 209-GeV (2001)
OPAL Collaboration, Abbiendi, G, Ainsley, C, Akesson, P F, Alexander, G, Allison, J, ...
Search for single top quark production at LEP-2 (2001)
OPAL Collaboration, Abbiendi, G, Ainsley, C, Akesson, P F, Alexander, G, Allison, J, ...
Search for Yukawa production of a light neutral Higgs boson at LEP (2001)
OPAL Collaboration, Abbiendi, G, Ainsley, C, Akesson, P F, Alexander, G, Allison, J, ...
Search for doubly charged Higgs bosons with the OPAL detector at LEP (2001)
OPAL Collaboration, Abbiendi, G, Ainsley, C, Akesson, P F, Alexander, G, Allison, J, ...
Search for leptoquarks in electron photon scattering at s(e e)**(1/2) up to 209-GeV at LEP (2001)
OPAL Collaboration, Abbiendi, G, Ainsley, C, Akesson, P F, Alexander, G, Allison, J, ...
A Study of correlations between identified charged hadrons in hadronic Z0 decays (2001)
Abe, Koya, Abe, Kenji, Abe, T, Adam, I, Akimoto, H, Aston, D, ...
Improved measurement of the probability for gluon splitting into b anti-b in Z0 decays (2001)
SLD Collaboration, Abe, Koya, Abe, Kenji, Abe, T, Adam, I, Akimoto, H, ...
Production of charged pi+-, K+- and p / anti-p in hadronic Z0 decays (2001)
SLD Collaboration, Abe, Koya, Abe, Kenji, Abe, T, Adam, I, Akimoto, H, ...
SLD Collaboration, Abe, Koya, Abe, Kenji, Abe, T, Adam, I, Akimoto, H, ...
SLD Collaboration, Abe, Koya, Abe, Kenji, Abe, T, Adam, I, Akimoto, H, ...
Improved direct measurement of A(b) and A(c) at the Z0 pole using a lepton tag (2001)
SLD Collaboration, Abe, Kenji, Abe, Koya, Abe, T, Adam, I, Akimoto, H, ...
Fragmentation and hadronization in e+ e- collisions (2001)
SLD Collaboration, Muller, D, Abe, Koya, Abe, Kenji, Abe, T, Adam, I, ...
Recent tests of QCD at SLD (2001)
SLD Collaboration, Muller, David, Abe, Koya, Abe, Kenji, Abe, T, Adam, I, ...
Aubert, B., Boutigny, D., Gaillard, J.M., Hicheur, A., Karyotakis, Y., Lees, J.P., ...
We present the results of searches for B decays to charmless two-body final states containing $\eta^\prime$ or $\omega$ mesons, based on 20.7 fb$^{-1}$ of data collected with the BABAR detector. We...
Search for the decay $B^0 \rightarrow \gamma\gamma$ (2001)
Aubert, B., Boutigny, D., Gaillard, J.M., Hicheur, A., Karyotakis, Y., Lees, J.P., ...
Measurement of the $B \rightarrow J/\psi K^*(892)$ decay amplitudes (2001)
Aubert, B., Boutigny, D., Gaillard, J.M., Hicheur, A., Karyotakis, Y., Lees, J.P., ...
We present a measurement of the decay amplitudes in B-->J/psi K^*(892) channels using 20.7 fb-1 of data collected at the Upsilon(4S) resonance with the BABAR detector at PEP-II. We measure a P-wave...
Aubert, B., Boutigny, D., Gaillard, J.M., Hicheur, A., Karyotakis, Y., Lees, J.P., ...
The B0 and B+ meson lifetimes have been measured in e+e- annihilation data collected in 1999 and 2000 with the BABAR detector at center-of-mass energies near the Upsilon(4S) resonance. Events are...
Measurement of the decays $B\to\phi K$ and $B\to\phi K*$ (2001)
Aubert, B., Boutigny, D., Gaillard, J.M., Hicheur, A., Karyotakis, Y., Lees, J.P., ...
We have observed the decays B-->phi K and phi K^* in a sample of over 45 million B mesons collected with the BABAR detector at the PEP-II collider. The measured branching fractions are BF(B^+ --> phi...
Aubert, B., Boutigny, D., Gaillard, J.M., Hicheur, A., Karyotakis, Y., Lees, J.P., ...
The production of $J/\psi$ mesons in continuum $e^+e^-$ annihilations has been studied with the BABAR detector at energies near the $\Upsilon(4S)$ resonance, approximately 10.6 GeV. The mesons are...
Aubert, B., Boutigny, D., Gaillard, J.M., Hicheur, A., Karyotakis, Y., Lees, J.P., ...
We present measurements of the branching fractions and a search for CP-violating charge asymmetries in charmless hadronic decays of B mesons into two-body final states of kaons and pions. The results...
Observation of CP-violation in the $B^0$ meson system (2001)
Aubert, B., Boutigny, D., De Bonis, I., Gaillard, J.M., Jeremie, A., Karyotakis, Y., ...
Measurement of CP-violating asymmetries in B0 decays to CP eigenstates (2001)
Aubert, B., Boutigny, D., De Bonis, I., Gaillard, J.M., Jeremie, A., Karyotakis, Y., ...
Aubert, B., Boutigny, D., Gaillard, J.M., Hicheur, A., Karyotakis, Y., Lees, J.P., ...
We present the results of searches for B decays to charmless two-body final states containing $\eta^\prime$ or $\omega$ mesons, based on 20.7 fb$^{-1}$ of data collected with the BABAR detector. We...
Search for the decay $B^0 \rightarrow \gamma\gamma$ (2001)
Aubert, B., Boutigny, D., Gaillard, J.M., Hicheur, A., Karyotakis, Y., Lees, J.P., ...
Measurement of the $B \rightarrow J/\psi K^*(892)$ decay amplitudes (2001)
Aubert, B., Boutigny, D., Gaillard, J.M., Hicheur, A., Karyotakis, Y., Lees, J.P., ...
We present a measurement of the decay amplitudes in B-->J/psi K^*(892) channels using 20.7 fb-1 of data collected at the Upsilon(4S) resonance with the BABAR detector at PEP-II. We measure a P-wave...
Aubert, B., Boutigny, D., Gaillard, J.M., Hicheur, A., Karyotakis, Y., Lees, J.P., ...
The B0 and B+ meson lifetimes have been measured in e+e- annihilation data collected in 1999 and 2000 with the BABAR detector at center-of-mass energies near the Upsilon(4S) resonance. Events are...
Measurement of the decays $B\to\phi K$ and $B\to\phi K*$ (2001)
Aubert, B., Boutigny, D., Gaillard, J.M., Hicheur, A., Karyotakis, Y., Lees, J.P., ...
We have observed the decays B-->phi K and phi K^* in a sample of over 45 million B mesons collected with the BABAR detector at the PEP-II collider. The measured branching fractions are BF(B^+ --> phi...
Aubert, B., Boutigny, D., Gaillard, J.M., Hicheur, A., Karyotakis, Y., Lees, J.P., ...
The production of $J/\psi$ mesons in continuum $e^+e^-$ annihilations has been studied with the BABAR detector at energies near the $\Upsilon(4S)$ resonance, approximately 10.6 GeV. The mesons are...
Aubert, B., Boutigny, D., Gaillard, J.M., Hicheur, A., Karyotakis, Y., Lees, J.P., ...
We present measurements of the branching fractions and a search for CP-violating charge asymmetries in charmless hadronic decays of B mesons into two-body final states of kaons and pions. The results...
Observation of CP-violation in the $B^0$ meson system (2001)
Aubert, B., Boutigny, D., De Bonis, I., Gaillard, J.M., Jeremie, A., Karyotakis, Y., ...
Measurement of CP-violating asymmetries in B0 decays to CP eigenstates (2001)
Aubert, B., Boutigny, D., De Bonis, I., Gaillard, J.M., Jeremie, A., Karyotakis, Y., ...
Aubert, B., Boutigny, D., Gaillard, J.M., Hicheur, A., Karyotakis, Y., Lees, J.P., ...
The B0 and B+ meson lifetimes have been measured in e+e- annihilation data collected in 1999 and 2000 with the BABAR detector at center-of-mass energies near the Upsilon(4S) resonance. Events are...
Measurement of the decays $B\to\phi K$ and $B\to\phi K*$ (2001)
Aubert, B., Boutigny, D., Gaillard, J.M., Hicheur, A., Karyotakis, Y., Lees, J.P., ...
We have observed the decays B-->phi K and phi K^* in a sample of over 45 million B mesons collected with the BABAR detector at the PEP-II collider. The measured branching fractions are BF(B^+ --> phi...
Aubert, B., Boutigny, D., Gaillard, J.M., Hicheur, A., Karyotakis, Y., Lees, J.P., ...
The production of $J/\psi$ mesons in continuum $e^+e^-$ annihilations has been studied with the BABAR detector at energies near the $\Upsilon(4S)$ resonance, approximately 10.6 GeV. The mesons are...
Aubert, B., Boutigny, D., Gaillard, J.M., Hicheur, A., Karyotakis, Y., Lees, J.P., ...
The B0 and B+ meson lifetimes have been measured in e+e- annihilation data collected in 1999 and 2000 with the BABAR detector at center-of-mass energies near the Upsilon(4S) resonance. Events are...
Measurement of the decays $B\to\phi K$ and $B\to\phi K*$ (2001)
Aubert, B., Boutigny, D., Gaillard, J.M., Hicheur, A., Karyotakis, Y., Lees, J.P., ...
We have observed the decays B-->phi K and phi K^* in a sample of over 45 million B mesons collected with the BABAR detector at the PEP-II collider. The measured branching fractions are BF(B^+ --> phi...
Aubert, B., Boutigny, D., Gaillard, J.M., Hicheur, A., Karyotakis, Y., Lees, J.P., ...
The production of $J/\psi$ mesons in continuum $e^+e^-$ annihilations has been studied with the BABAR detector at energies near the $\Upsilon(4S)$ resonance, approximately 10.6 GeV. The mesons are...
Aubert, B., Boutigny, D., Gaillard, J.M., Hicheur, A., Karyotakis, Y., Lees, J.P., ...
The B0 and B+ meson lifetimes have been measured in e+e- annihilation data collected in 1999 and 2000 with the BABAR detector at center-of-mass energies near the Upsilon(4S) resonance. Events are...
Measurement of the decays $B\to\phi K$ and $B\to\phi K*$ (2001)
Aubert, B., Boutigny, D., Gaillard, J.M., Hicheur, A., Karyotakis, Y., Lees, J.P., ...
We have observed the decays B-->phi K and phi K^* in a sample of over 45 million B mesons collected with the BABAR detector at the PEP-II collider. The measured branching fractions are BF(B^+ --> phi...
Aubert, B., Boutigny, D., Gaillard, J.M., Hicheur, A., Karyotakis, Y., Lees, J.P., ...
The production of $J/\psi$ mesons in continuum $e^+e^-$ annihilations has been studied with the BABAR detector at energies near the $\Upsilon(4S)$ resonance, approximately 10.6 GeV. The mesons are...
Precise Determination of the Z Resonance Parameters at LEP: Zedometry (2000)
Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, Gideon, Allison, J, Anagnostou, G, ...
This final analysis of hadronic and leptonic cross-sections and of leptonic forward-backward asymmetries in e+e- collisions with the OPAL detector makes use of the full LEP1 data sample comprising...
A Study of $B_{s}$ Meson Oscillation Using $D_{s}^{-}$-Lepton Correlations (2000)
Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, Gideon, Allison, J, Anagnostou, G, ...
From data collected around the Z resonance by the OPAL detector at LEP a sample of Bs decays was obtained using Ds^-l^+ combinations, where the Ds^- was fully reconstructed in the phi pi-, K*0K- and...
Charged Multiplicities in Z Decays into u, d, and s Quarks (2000)
Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, Gideon, Allison, J, Anagnostou, G, ...
About 4.4 million hadronic decays of Z bosons, recorded by the OPAL detector at LEP at a centre-of-mass energy of around sqrt(s) = 91.2 GeV, are used to determine the mean charged particle...
Abbiendi, G, Ackerstaff, K, Ainsley, C, Åkesson, P F, Alexander, Gideon, Allison, J, ...
The rates are measured per hadronic Z decay for gluon splitting to bb(bar) quark pairs, g_bb, and of events containing two bb(bar) quark pairs, g_4b, using a sample of four-jet events selected from...
Abbiendi, G, Abbiendi, G, Ackerstaff, K, Ainsley, C, Alexander, Gideon, Allison, J, ...
From about 4 million hadronic Z decays recorded by the OPAL detector on and near to the Z resonance, we select a sample of more than 570000 inclusively reconstructed B mesons. Orbitally-excited...
Abbiendi, G, Ackerstaff, K, Ainsley, C, Åkesson, P F, Alexander, Gideon, Allison, J, ...
The lifetime and oscillation frequency of the B0 meson has been measured using B0->D*+l-v decays recorded on the Z0 peak with the OPAL detector at LEP. The D*+ -> D0pi+ decays were reconstructed...
Aubert, B., Boucham, A., Boutigny, D., De Bonis, I., Favier, J., Gaillard, J.M., ...
We present a preliminary measurement of time-dependent CP-violating asymmetries in B0 -> J/psi K0S and B0 -> psi(2S) K0S decays recorded by the BABAR detector at the PEP-II asymmetric-energy B...
Measurement of inclusive production of charmonium states in B meson decays (2000)
Aubert, B., Boucham, A., Boutigny, D., De Bonis, I., Favier, J., Gaillard, J.M., ...
We reconstruct the charmonium mesons J/psi, psi(2S) and chi_C1 using a sample of 8.46 x 10^6 B-anti-B events collected by the BABAR detector operating at e^+e^- center of mass energies near the Y(4S)...
Exclusive B decays to charmonium final states (2000)
Aubert, B., Boucham, A., Boutigny, D., De Bonis, I., Favier, J., Gaillard, J.M., ...
We report on exclusive decays of B mesons into final states containing charmonium using data collected with the BABAR detector at the PEP-II storage rings. The charmonium states considered here are...
Aubert, B., Boucham, A., Boutigny, D., De Bonis, I., Favier, J., Gaillard, J.M., ...
Using 5.2 fb-1 of e^+e^- annihilation data recorded with the BABAR detector at the PEP-II storage ring while operating on the Y(4S) resonance, a sample of fully reconstructed B^0 decays in the...
Aubert, B., Boucham, A., Boutigny, D., De Bonis, I., Favier, J., Gaillard, J.M., ...
B^0-anti-B^0 flavor oscillations are studied in e^+e^- annihilation data collected with the BABAR detector at center-of-mass energies near the Y(4S) resonance. One B is reconstructed in a hadronic or...
Aubert, B., Boucham, A., Boutigny, D., De Bonis, I., Favier, J., Gaillard, J.M., ...
The two B^0 decay processes B^0 --> D^{*-}pi^+ and B^0 --> D^{*-}l^+nu have been studied by means of a partial reconstruction technique using a data sample collected with the BABAR detector at the...
Aubert, B., Boucham, A., Boutigny, D., De Bonis, I., Favier, J., Gaillard, J.M., ...
A preliminary study of time dependence of B^0-anti-B^0 oscillations using dilepton events is presented. The flavor of the B meson is determined by the charge sign of the lepton. To separate signal...
A measurement of the branching fraction of the exclusive decay $B^{0} \to K^{*0}\gamma$ (2000)
Aubert, B., Boucham, A., Boutigny, D., De Bonis, I., Favier, J., Gaillard, J.M., ...
The b --> s gamma transition proceeds by a loop ``penguin'' diagram. It may be used to measure precisely the couplings of the top quark and to search for the effects of any new particles appearing in...
Aubert, B., Boucham, A., Boutigny, D., De Bonis, I., Favier, J., Gaillard, J.M., ...
Electron-positron annihilation data collected by the BABAR detector near the Y(4S) resonance are used to study the inclusive decay of B mesons to D_S^(+/-) and D_S^(*+/-) mesons, where the D_S^(+/-)...
Aubert, B., Boucham, A., Boutigny, D., De Bonis, I., Favier, J., Gaillard, J.M., ...
We present preliminary results of a search for charmless two-body B decays to charged pions and kaons using data collected by the BABAR detector at the Stanford Linear Accelerator Center's PEP-II...
Measurements of charmless three-body and quasi-two-body B decays (2000)
Aubert, B., Boucham, A., Boutigny, D., De Bonis, I., Favier, J., Gaillard, J.M., ...
We present preliminary results of a search for several exclusive charmless hadronic B decays from electron-positron annihilation data collected by the BABAR detector near the Y(4S) resonance. These...
Search for $B^{+} \to K^{+}l^{+}l^{-}$ and $B^{0} \to K^{*0}l^{+}l^{-}$ (2000)
Aubert, B., Boucham, A., Boutigny, D., De Bonis, I., Favier, J., Gaillard, J.M., ...
Using a sample of 3.7 x 10^{6} Y(4S) --> B-anti-B events collected with the BABAR detector at the PEP-II storage ring, we search for the electroweak penguin decays B^+ --> K^+e^+e^-, B^+ -->...
A measurement of the charged and neutral B meson lifetimes using fully reconstructed decays (2000)
Aubert, B., Boucham, A., Boutigny, D., De Bonis, I., Favier, J., Gaillard, J.M., ...
Data collected with the BABAR detector at the PEP-II asymmetric B Factory at SLAC are used to study the lifetimes of the B^0 and B^+ mesons. The data sample consists of 7.4 fb-1 collected near the...
Abbiendi, G, Ackerstaff, K, Ainsley, C, Åkesson, P F, Alexander, Gideon, Allison, J, ...
A measurement of triple gauge boson couplings is presented, based on W-pair data recorded by the OPAL detector at LEP during 1998 at a centre-of-mass energy of 189 GeV with an integrated luminosity...
Abbiendi, G, Ackerstaff, K, Ainsley, C, Åkesson, P F, Alexander, Gideon, Allison, J, ...
From a data sample of 183 pb^-1 recorded at a center-of-mass energy of roots = 189 GeV with the OPAL detector at LEP, 3068 W-pair candidate events are selected. Assuming Standard Model W boson decay...
A Measurement of the Rate of Charm Production in W Decays (2000)
Abbiendi, G, Ackerstaff, K, Ainsley, C, Åkesson, P F, Alexander, Gideon, Allison, J, ...
Using data recorded at centre-of-mass energies around 183 GeV and 189 GeV with the OPAL detector at LEP, the fundamental coupling of the charm quark to the W boson has been studied. The ratio Rc^W =...
Abbiendi, G, Ackerstaff, K, Ainsley, C, Åkesson, P F, Alexander, Gideon, Allison, J, ...
Measurements are presented of the polarisation of W+W- boson pairs produced in e+e- collisions, and of CP-violating WWZ and WWGamma trilinear gauge couplings. The data were recorded by the OPAL...
A Study of One-Prong Tau Decays with a Charged Kaon (2000)
Abbiendi, G, Ackerstaff, K, Ainsley, C, Åkesson, P F, Alexander, Gideon, Allison, J, ...
From an analysis of the ionisation energy loss of charged particles selected from 110326 e+e- -> tau+tau- candidates recorded by the OPAL detector at e+e- centre-of-mass energies near the Z0...
Measurement of the Mass and Width of the W Boson in $e^{+}e^{-}$ Collisions at 189 GeV (2000)
Abbiendi, G, Ackerstaff, K, Ainsley, C, Åkesson, P F, Alexander, Gideon, Allison, J, ...
The mass and width of the W boson are determined in e+e- collisions at LEP using 183 pb^-1 of data recorded at a centre-of-mass energy roots=189 GeV with the OPAL detector. The invariant mass...
Two Higgs Doublet Model and Model Independent Interpretation of Neutral Higgs Boson Searches (2000)
Abbiendi, G, Ackerstaff, K, Ainsley, C, Åkesson, P F, Alexander, Gideon, Allison, J, ...
Searches for the neutral Higgs bosons h0 and A0, are used to obtain limits on the Type II Two Higgs Doublet Model (2HDM(II)) with no CP-violation in the Higgs sector and no additional particles...
Abbiendi, G, Ackerstaff, K, Ainsley, C, Åkesson, P F, Alexander, Gideon, Allison, J, ...
The inclusive production rate of phi mesons from the decay of b hadrons produced in Z0 decays was measured to be Br(b->phi+X) = 0.0282+-0.0013(stat.)+-0.0019(syst.), using data collected by the OPAL...
Abbiendi, G, Ackerstaff, K, Ainsley, C, Åkesson, P F, Alexander, Gideon, Allison, J, ...
The data recorded at a centre-of-mass energy of 189GeV by the OPAL detector at LEP are used to search for trilinear couplings of the neutral gauge bosons in the process e+e- --> Z-gamma. The...
Multiplicities of $\pi^{0}$, $\eta$, $K^{0}$ and of charged particles in quark and gluon jets (2000)
Abbiendi, G, Ackerstaff, K, Ainsley, C, Åkesson, P F, Alexander, Gideon, Allison, J, ...
We compared the multiplicities of pizero, eta, Kzero and of charged particles in quark and gluon jets in 3-jet events, as measured by the OPAL experiment at LEP. The comparisons were performed for...
Measurement of the Low-x Behaviour of the Photon Structure Function $F2-\gamma$ (2000)
Abbiendi, G, Ackerstaff, K, Ainsley, C, Åkesson, P F, Alexander, Gideon, Allison, J, ...
The photon structure function F2-gamma(x,Q**2) has been measured using data taken by the OPAL detector at centre-of-mass energies of 91Gev, 183Gev and 189Gev, in Q**2 ranges of 1.5 to 30.0 GeV**2...
Abbiendi, G, Ackerstaff, K, Ainsley, C, Åkesson, P F, Alexander, Gideon, Allison, J, ...
Searches for final states expected in models with light gravitinos have been performed, including experimental topologies with multi-leptons with missing energy, leptons and photons with missing...
A measurement of the $\tau$ mass and the first CPT test with $\tau$ leptons (2000)
Abbiendi, G, Ackerstaff, K, Ainsley, C, Åkesson, P F, Alexander, Gideon, Allison, J, ...
We measure the mass of the tau lepton to be 1775.1+-1.6(stat)+-1.0(sys t.) MeV using tau pairs from Z0 decays. To test CPT invariance we compare the masses of the positively and negatively charged...
Photonic events with missing energy in $e^{+}e^{-}$ collisions at $\sqrt{s}=189 GeV$ (2000)
Abbiendi, G, Ackerstaff, K, Ainsley, C, Åkesson, P F, Alexander, Gideon, Allison, J, ...
Photonic events with large missing energy have been observed in e+e- collisions at a centre-of-mass energy of 189GeV using the OPAL detector at LEP. Results are presented for event topologies...
Z boson pair production in $e^{+}e^{-}$ collisions at $\sqrt{s}$ = 183 and 189 GeV (2000)
Abbiendi, G, Ackerstaff, K, Åkesson, P F, Alexander, Gideon, Allison, J, Anderson, K J, ...
A study of Z boson pair production in e+e- annihilation at center-of-mass energies near 183 GeV and 189 GeV is reported. Final states containing only leptons, (l+l-l+l- and l+l-nu nubar), quark and...
Measurement of |$V_{cb}$| using $\overline{B}^{0} \to D^{*+}l^{-}\overline{\nu}$ decays (2000)
Abbiendi, G, Ackerstaff, K, Åkesson, P F, Alexander, Gideon, Allison, J, Anderson, K J, ...
The magnitude of the Cabibbo-Kobayashi-Maskawa matrix element Vcb has been measured using B0 to D*l nu decays recorded on the Z0 peak using the OPAL detector at LEP. The D* to D0 pi+ decays were...
Transverse and Longitudinal Bose Einstein Correlations in hadronic $Z^0$ Decays (2000)
Abbiendi, G, Ackerstaff, K, Åkesson, P F, Alexander, Gideon, Allison, J, Anderson, K J, ...
Bose-Einstein correlations in pairs of identical charged pions produced in asample of 4.3 million Z0 hadronic decays are studied as a function of the threecomponents of the momentum difference,...
Abbiendi, G, Ackerstaff, K, Åkesson, P F, Alexander, Gideon, Allison, J, Anderson, K J, ...
The cross-section ratio Rb=sigma(e+e- to b-antib)/sigma(e+e- to q-antiq) andthe bottom and charm forward-backward asymmetries AFB^b and AFB^c are measuredusing event samples collected by the OPAL...
Search for new Physics in rare B Decays (2000)
Abbiendi, G, Ackerstaff, K, Åkesson, P F, Alexander, Gideon, Allison, J, Anderson, K J, ...
A search for the decay B+- to K+-K+-pi-+ was performed using data collected by the OPAL detector at LEP. These decays are strongly suppressed in the Standard Model but could occur with a higher...
QCD studies with $e^{+}e^{-}$ annihilation data at 172-189 GeV (2000)
Abbiendi, G, Ackerstaff, K, Åkesson, P F, Alexander, Gideon, Allison, J, Anderson, K J, ...
We have studied hadronic events from e+e- annihilation data at centre-of-mass energies of sqrt{s}=172, 183 and 189 GeV. The total integrated luminosity of the three samples, measured with the OPAL...
Search for new Physics in rare B Decays (2000)
Abbiendi, G, Ackerstaff, K, Åkesson, P F, Alexander, Gideon, Allison, J, Anderson, K J, ...
A search for the decay B+- to K+-K+-pi-+ was performed using data collected by the OPAL detector at LEP. These decays are strongly suppressed in the Standard Model but could occur with a higher...
Leading Particle Production in Light Flavour Jets (2000)
Abbiendi, G, Ackerstaff, K, Åkesson, P F, Alexander, Gideon, Allison, J, Anderson, K J, ...
The energy distribution and type of the particle with the highest momentum in quark jets are determined for each of the five quark flavours making only minimal model assumptions. The analysis is...
Pfeifenschneider, P, Biebel, O, Movilla-Fernández, P A, Abbiendi, G, Ackerstaff, K, Åkesson, P F, ...
We employ data taken by the JADE and OPAL experiments for an integrated QCD study in hadronic e+e- annihilations at c.m.s. energies ranging from 35 GeV through 189 GeV. The study is based on...
Search for Unstable Heavy and Excited Leptons at LEP2 (2000)
Abbiendi, G, Ackerstaff, K, Åkesson, P F, Alexander, Gideon, Allison, J, Anderson, K J, ...
Searches for unstable neutral and charged heavy leptons, N and L+-, and for excited states of neutral and charged leptons, nu*, e*, mu*, and tau*, have been performed in e+e- collisions using data...
Abbiendi, G, Ackerstaff, K, Åkesson, P F, Alexander, Gideon, Allison, J, Anderson, K J, ...
Bose-Einstein correlations in pairs of charged kaons produced in a sample of 3.9 million hadronic Z0 decays have been measured with the OPAL experiment at LEP. Charged kaons were identified in the...
A Measurement of the branching fraction of the exclusive decay B0 ---> K*0 gamma (2000)
BABAR Collaboration, Aubert, B, Boucham, A, Boutigny, D, De Bonis, I, Favier, J, ...
A Measurement of the charged and neutral B meson life-times using fully reconstructed decays (2000)
BABAR Collaboration, Aubert, B, Boucham, A, Boutigny, D, De Bonis, I, Favier, J, ...
Measurement of inclusive production of charmonium states in B meson decays (2000)
BABAR Collaboration, Aubert, B, Boucham, A, Boutigny, D, De Bonis, I, Favier, J, ...
Exclusive B decays to charmonium final states (2000)
BABAR Collaboration, Aubert, B, Boucham, A, Boutigny, D, De Bonis, I, Favier, J, ...
Measurement of the branching fractions for B0 ---> D*- pi+ and B0 ---> D*- rho+ (2000)
BABAR Collaboration, Aubert, B, Boucham, A, Boutigny, D, De Bonis, I, Favier, J, ...
Measurements of charmless three-body and quasi two-body B decays (2000)
BABAR Collaboration, Aubert, B, Boucham, A, Boutigny, D, De Bonis, I, Favier, J, ...
Search for B+ ---> K+ lepton+ lepton- and B0 ---> K*0 lepton+ lepton- (2000)
BABAR Collaboration, Aubert, B, Boucham, A, Boutigny, D, De Bonis, I, Favier, J, ...
The First year of the BaBar experiment at PEP-II (2000)
BABAR Collaboration, Aubert, B, Boucham, A, Boutigny, D, De Bonis, I, Favier, J, ...
A Measurement of the rate of charm production in W decays (2000)
OPAL Collaboration, Abbiendi, G, Ackerstaff, K, Ainsley, C, Akesson, P F, Alexander, G, ...
Bose-Einstein correlations in K+- K+- pairs from Z0 decays into two hadronic jets (2000)
OPAL Collaboration, Abbiendi, G, Ackerstaff, K, Akesson, P F, Alexander, G, Allison, J, ...
A Measurement of the tau mass and the first CPT test with tau leptons (2000)
OPAL Collaboration, Abbiendi, G, Ackerstaff, K, Ainsley, C, Akesson, P F, Alexander, G, ...
First measurement of the inclusive branching ratio of b hadrons to phi mesons in Z0 decays (2000)
OPAL Collaboration, Abbiendi, G, Ackerstaff, K, Ainsley, C, Akesson, P F, Alexander, G, ...
A Study of one prong tau decays with a charged kaon (2000)
OPAL Collaboration, Abbiendi, G, Ackerstaff, K, Ainsley, C, Akesson, P F, Alexander, G, ...
Charged multiplicities in Z decays into u, d, and s quarks (2000)
OPAL Collaboration, Abbiendi, G, Ainsley, C, Akesson, P F, Alexander, G, Allison, J, ...
A Study of B(s) meson oscillation using D(s)- lepton correlations (2000)
OPAL Collaboration, Abbiendi, G, Ainsley, C, Akesson, P F, Alexander, G, Allison, J, ...
Measurement of the low x behavior of the photon structure function F(2)gamma (2000)
OPAL Collaboration, Abbiendi, G, Ackerstaff, K, Ainsley, C, Akesson, P F, Alexander, G, ...
Measurement of the mass and width of the W boson in e+ e- collisions at 189-GeV (2000)
OPAL Collaboration, Abbiendi, G, Ackerstaff, K, Ainsley, C, Akesson, P F, Alexander, G, ...
Measurement of |V(cb)| using anti-B0 ---> D*+ lepton- anti-neutrino decays (2000)
OPAL Collaboration, Abbiendi, G, Ackerstaff, K, Akesson, P F, Alexander, G, Allison, J, ...
Photonic events with missing energy in e+ e- collisions at S**(1/2) = 189-GeV (2000)
OPAL Collaboration, Abbiendi, G, Ackerstaff, K, Ainsley, C, Akesson, P F, Alexander, G, ...
Multiplicities of pi0, eta, K0 and of charged particles in quark and gluon jets (2000)
OPAL Collaboration, Abbiendi, G, Ackerstaff, K, Ainsley, C, Akesson, P F, Alexander, G, ...
Precise determination of the Z resonance parameters at LEP: 'Zedometry' (2000)
OPAL Collaboration, Abbiendi, G, Ainsley, C, Akesson, P F, Alexander, G, Allison, J, ...
Transverse and longitudinal Bose Einstein correlations in hadronic Z0 decays (2000)
OPAL Collaboration, Abbiendi, G, Ackerstaff, K, Akesson, P F, Alexander, G, Allison, J, ...
Searches for prompt light gravitino signatures in e+ e- collisions at S**(1/2) = 189-GeV (2000)
OPAL Collaboration, Abbiendi, G, Ackerstaff, K, Ainsley, C, Akesson, P F, Alexander, G, ...
Two Higgs doublet model and model independent interpretation of neutral Higgs boson searches (2000)
OPAL Collaboration, Abbiendi, G, Ackerstaff, K, Ainsley, C, Akesson, P F, Alexander, G, ...
W+ W- production cross-section and W branching fractions in e+ e- collisions at 189-GeV (2000)
OPAL Collaboration, Abbiendi, G, Ackerstaff, K, Ainsley, C, Akesson, P F, Alexander, G, ...
Z boson pair production in e+ e- collisions at S**(1/2) = 183-GeV and 189-GeV (2000)
OPAL Collaboration, Abbiendi, G, Ackerstaff, K, Akesson, P F, Alexander, G, Allison, J, ...
A High precision measurement of the left-right Z boson cross-section asymmetry (2000)
SLD Collaboration, Abe, Kenji, Abe, Koya, Abe, T, Adam, I, Akimoto, H, ...
Direct measurement of A(b) at the Z0 pole using a lepton tag (2000)
SLD Collaboration, Abe, Koya, Abe, Kenji, Abe, T, Adam, I, Akimoto, H, ...
An Improved direct measurement of leptonic coupling asymmetries with polarized Z bosons (2000)
SLD Collaboration, Abe, Koya, Abe, Kenji, Abe, T, Adam, I, Akimoto, H, ...
First direct measurement of the parity violating coupling of the Z0 to the s quark (2000)
SLD Collaboration, Abe, Koya, Abe, Kenji, Abe, T, Adam, I, Akimoto, H, ...
First symmetry tests in polarized Z0 decays to b anti-b g (2000)
SLD Collaboration, Abe, Koya, Abe, Kenji, Abe, T, Adam, I, Akimoto, H, ...
Direct measurement of A(b) using charged vertices (2000)
SLD Collaboration, Abe, Koya, Abe, Kenji, Abe, T, Adam, I, Akimoto, H, ...
Electroweak measurements with heavy quarks at SLD (2000)
SLD Collaboration, Abe, Koya, Abe, Kenji, Abe, T, Adam, I, Akimoto, H, ...
Measurements of Z0 electroweak couplings at SLD (2000)
SLD Collaboration, Abe, Kenji, Abe, Koya, Abe, T, Adam, I, Akagi, T, ...
Improved measurement of the b quark fragmentation function in Z0 decays (2000)
SLD Collaboration, Abe, Kenji, Abe, Koya, Abe, T, Adam, I, Akimoto, H, ...
Measurement of A(c) with charmed mesons at SLD (2000)
SLD Collaboration, Abe, Kenji, Abe, Koya, Abe, T, Adam, I, Akimoto, H, ...
Studies of hadronic decays of Z0 bosons at SLD (2000)
SLD Collaboration, Burrows, P N, Abe, Koya, Abe, Kenji, Abe, T, Adam, I, ...
SLD Collaboration, Abe, Kenji, Abe, Koya, Abe, T, Adam, I, Akimoto, H, ...
Time dependent B0(s) - anti-B0(s) mixing using inclusive and semileptonic B decays at SLD (2000)
SLD Collaboration, Abe, Kenji, Abe, Koya, Abe, T, Adam, I, Akimoto, H, ...
Electroweak tests at SLAC / SLD (2000)
Wright, TR, Abe, K, Abe, T, Adam, I, Akagi, T, Allen, NJ, ...
Light quark fragmentation in polarized Z0 decays at SLD (2000)
SLD Collaboration, Kalelkar, M, Abe, Koya, Abe, Kenji, Abe, T, Adam, I, ...
Measurements of parity violation parameters at SLD (2000)
SLD Collaboration, Iwasaki, Masako, Abe, Kenji, Abe, Koya, Abe, T, Adam, I, ...
Final results on electroweak asymmetries from SLD (2000)
Weidemann, Achim W, Abe, Koya, Abe, Kenji, Abe, T, Adam, I, Akimoto, H, ...
Z quark coupling measurements at SLD (2000)
SLD Collaboration, Wright, Thomas, Abe, Kenji, Abe, Koya, Abe, T, Adam, I, ...
Production of pi+-, K+-, p and anti-p in quark, anti-quark and gluon jets (2000)
SLD Collaboration, Kang, Hyejoo, Abe, Koya, Abe, Kenji, Adam, I, Akimoto, H, ...
Production of pi+-, K+-, p and anti-p in quark, anti-quark and gluon jets (2000)
Kang, Hyejoo, Abe, Koya, Abe, Kenji, Abe, T, Adam, I, Akimoto, H, ...
The first year of the BABAR experiment at PEP-II (2000)
Aubert, B., Boucham, A., Boutigny, D., De Bonis, I., Favier, J., Gaillard, J.M., ...
The BABAR detector, situated at the SLAC PEP-II asymmetric e^+e^- collider, has been recording data at energies on and around the Upsilon(4S) resonance since May 1999. In this paper, we briefly...
Aubert, B., Boucham, A., Boutigny, D., De Bonis, I., Favier, J., Gaillard, J.M., ...
We present a preliminary measurement of time-dependent CP-violating asymmetries in B0 -> J/psi K0S and B0 -> psi(2S) K0S decays recorded by the BABAR detector at the PEP-II asymmetric-energy B...
Measurement of inclusive production of charmonium states in B meson decays (2000)
Aubert, B., Boucham, A., Boutigny, D., De Bonis, I., Favier, J., Gaillard, J.M., ...
We reconstruct the charmonium mesons J/psi, psi(2S) and chi_C1 using a sample of 8.46 x 10^6 B-anti-B events collected by the BABAR detector operating at e^+e^- center of mass energies near the Y(4S)...
Exclusive B decays to charmonium final states (2000)
Aubert, B., Boucham, A., Boutigny, D., De Bonis, I., Favier, J., Gaillard, J.M., ...
We report on exclusive decays of B mesons into final states containing charmonium using data collected with the BABAR detector at the PEP-II storage rings. The charmonium states considered here are...
Aubert, B., Boucham, A., Boutigny, D., De Bonis, I., Favier, J., Gaillard, J.M., ...
Using 5.2 fb-1 of e^+e^- annihilation data recorded with the BABAR detector at the PEP-II storage ring while operating on the Y(4S) resonance, a sample of fully reconstructed B^0 decays in the...
Aubert, B., Boucham, A., Boutigny, D., De Bonis, I., Favier, J., Gaillard, J.M., ...
B^0-anti-B^0 flavor oscillations are studied in e^+e^- annihilation data collected with the BABAR detector at center-of-mass energies near the Y(4S) resonance. One B is reconstructed in a hadronic or...
Aubert, B., Boucham, A., Boutigny, D., De Bonis, I., Favier, J., Gaillard, J.M., ...
The two B^0 decay processes B^0 --> D^{*-}pi^+ and B^0 --> D^{*-}l^+nu have been studied by means of a partial reconstruction technique using a data sample collected with the BABAR detector at the...
Aubert, B., Boucham, A., Boutigny, D., De Bonis, I., Favier, J., Gaillard, J.M., ...
A preliminary study of time dependence of B^0-anti-B^0 oscillations using dilepton events is presented. The flavor of the B meson is determined by the charge sign of the lepton. To separate signal...
A measurement of the branching fraction of the exclusive decay $B^{0} \to K^{*0}\gamma$ (2000)
Aubert, B., Boucham, A., Boutigny, D., De Bonis, I., Favier, J., Gaillard, J.M., ...
The b --> s gamma transition proceeds by a loop ``penguin'' diagram. It may be used to measure precisely the couplings of the top quark and to search for the effects of any new particles appearing in...
Aubert, B., Boucham, A., Boutigny, D., De Bonis, I., Favier, J., Gaillard, J.M., ...
Electron-positron annihilation data collected by the BABAR detector near the Y(4S) resonance are used to study the inclusive decay of B mesons to D_S^(+/-) and D_S^(*+/-) mesons, where the D_S^(+/-)...
Aubert, B., Boucham, A., Boutigny, D., De Bonis, I., Favier, J., Gaillard, J.M., ...
We present preliminary results of a search for charmless two-body B decays to charged pions and kaons using data collected by the BABAR detector at the Stanford Linear Accelerator Center's PEP-II...
Measurements of charmless three-body and quasi-two-body B decays (2000)
Aubert, B., Boucham, A., Boutigny, D., De Bonis, I., Favier, J., Gaillard, J.M., ...
We present preliminary results of a search for several exclusive charmless hadronic B decays from electron-positron annihilation data collected by the BABAR detector near the Y(4S) resonance. These...
Search for $B^{+} \to K^{+}l^{+}l^{-}$ and $B^{0} \to K^{*0}l^{+}l^{-}$ (2000)
Aubert, B., Boucham, A., Boutigny, D., De Bonis, I., Favier, J., Gaillard, J.M., ...
Using a sample of 3.7 x 10^{6} Y(4S) --> B-anti-B events collected with the BABAR detector at the PEP-II storage ring, we search for the electroweak penguin decays B^+ --> K^+e^+e^-, B^+ -->...
A measurement of the charged and neutral B meson lifetimes using fully reconstructed decays (2000)
Aubert, B., Boucham, A., Boutigny, D., De Bonis, I., Favier, J., Gaillard, J.M., ...
Data collected with the BABAR detector at the PEP-II asymmetric B Factory at SLAC are used to study the lifetimes of the B^0 and B^+ mesons. The data sample consists of 7.4 fb-1 collected near the...
The first year of the BABAR experiment at PEP-II (2000)
Aubert, B., Boucham, A., Boutigny, D., De Bonis, I., Favier, J., Gaillard, J.M., ...
The BABAR detector, situated at the SLAC PEP-II asymmetric e^+e^- collider, has been recording data at energies on and around the Upsilon(4S) resonance since May 1999. In this paper, we briefly...
Aubert, B., Boucham, A., Boutigny, D., De Bonis, I., Favier, J., Gaillard, J.M., ...
We present a preliminary measurement of time-dependent CP-violating asymmetries in B0 -> J/psi K0S and B0 -> psi(2S) K0S decays recorded by the BABAR detector at the PEP-II asymmetric-energy B...
Measurement of inclusive production of charmonium states in B meson decays (2000)
Aubert, B., Boucham, A., Boutigny, D., De Bonis, I., Favier, J., Gaillard, J.M., ...
We reconstruct the charmonium mesons J/psi, psi(2S) and chi_C1 using a sample of 8.46 x 10^6 B-anti-B events collected by the BABAR detector operating at e^+e^- center of mass energies near the Y(4S)...
Exclusive B decays to charmonium final states (2000)
Aubert, B., Boucham, A., Boutigny, D., De Bonis, I., Favier, J., Gaillard, J.M., ...
We report on exclusive decays of B mesons into final states containing charmonium using data collected with the BABAR detector at the PEP-II storage rings. The charmonium states considered here are...
Aubert, B., Boucham, A., Boutigny, D., De Bonis, I., Favier, J., Gaillard, J.M., ...
Using 5.2 fb-1 of e^+e^- annihilation data recorded with the BABAR detector at the PEP-II storage ring while operating on the Y(4S) resonance, a sample of fully reconstructed B^0 decays in the...
Aubert, B., Boucham, A., Boutigny, D., De Bonis, I., Favier, J., Gaillard, J.M., ...
B^0-anti-B^0 flavor oscillations are studied in e^+e^- annihilation data collected with the BABAR detector at center-of-mass energies near the Y(4S) resonance. One B is reconstructed in a hadronic or...
Aubert, B., Boucham, A., Boutigny, D., De Bonis, I., Favier, J., Gaillard, J.M., ...
The two B^0 decay processes B^0 --> D^{*-}pi^+ and B^0 --> D^{*-}l^+nu have been studied by means of a partial reconstruction technique using a data sample collected with the BABAR detector at the...
Aubert, B., Boucham, A., Boutigny, D., De Bonis, I., Favier, J., Gaillard, J.M., ...
A preliminary study of time dependence of B^0-anti-B^0 oscillations using dilepton events is presented. The flavor of the B meson is determined by the charge sign of the lepton. To separate signal...
A measurement of the branching fraction of the exclusive decay $B^{0} \to K^{*0}\gamma$ (2000)
Aubert, B., Boucham, A., Boutigny, D., De Bonis, I., Favier, J., Gaillard, J.M., ...
The b --> s gamma transition proceeds by a loop ``penguin'' diagram. It may be used to measure precisely the couplings of the top quark and to search for the effects of any new particles appearing in...
Aubert, B., Boucham, A., Boutigny, D., De Bonis, I., Favier, J., Gaillard, J.M., ...
Electron-positron annihilation data collected by the BABAR detector near the Y(4S) resonance are used to study the inclusive decay of B mesons to D_S^(+/-) and D_S^(*+/-) mesons, where the D_S^(+/-)...
Aubert, B., Boucham, A., Boutigny, D., De Bonis, I., Favier, J., Gaillard, J.M., ...
We present preliminary results of a search for charmless two-body B decays to charged pions and kaons using data collected by the BABAR detector at the Stanford Linear Accelerator Center's PEP-II...
Measurements of charmless three-body and quasi-two-body B decays (2000)
Aubert, B., Boucham, A., Boutigny, D., De Bonis, I., Favier, J., Gaillard, J.M., ...
We present preliminary results of a search for several exclusive charmless hadronic B decays from electron-positron annihilation data collected by the BABAR detector near the Y(4S) resonance. These...
Search for $B^{+} \to K^{+}l^{+}l^{-}$ and $B^{0} \to K^{*0}l^{+}l^{-}$ (2000)
Aubert, B., Boucham, A., Boutigny, D., De Bonis, I., Favier, J., Gaillard, J.M., ...
Using a sample of 3.7 x 10^{6} Y(4S) --> B-anti-B events collected with the BABAR detector at the PEP-II storage ring, we search for the electroweak penguin decays B^+ --> K^+e^+e^-, B^+ -->...
A measurement of the charged and neutral B meson lifetimes using fully reconstructed decays (2000)
Aubert, B., Boucham, A., Boutigny, D., De Bonis, I., Favier, J., Gaillard, J.M., ...
Data collected with the BABAR detector at the PEP-II asymmetric B Factory at SLAC are used to study the lifetimes of the B^0 and B^+ mesons. The data sample consists of 7.4 fb-1 collected near the...
$\tau$ decays with neutral kaons (1999)
Abbiendi, G, Ackerstaff, K, Åkesson, P F, Alexander, Gideon, Allison, J, Anderson, K J, ...
The branching ratio of the tau lepton to a neutral K meson is measured from a sample of approximately 200,000 tau decays recorded by the OPAL detector at centre-of-mass energies near the Z0...
Abbiendi, G, Ackerstaff, K, Åkesson, P F, Alexander, Gideon, Allison, J, Anderson, K J, ...
The inclusive production of D*+- mesons in photon-photon collisions has been measured using the OPAL detector at LEP at e+e- centre-of-mass energies of 183 and 189GeV. The D* mesons are reconstructed...
Abbiendi, G, Ackerstaff, K, Åkesson, P F, Alexander, Gideon, Allison, J, Anderson, K J, ...
A study of W+W- events accompanied by hard photon radiation produced in e+e- collisions at LEP is presented. Events consistent with two on-shell W-bosons and an isolated photon are selected from...
Precision Luminosity for $Z^{0}$ Lineshape Measurements with a Silicon-Tungsten Calorimeter (1999)
Abbiendi, G, Ackerstaff, K, Alexander, Gideon, Allison, J, Anderson, K J, Anderson, S, ...
The measurement of small-angle Bhabha scattering is used to determine the luminosity at the OPAL interaction point for the LEP I data recorded between 1993 and 1995. The measurement is based on the...
Search for Chargino and Neutralino Production at $\sqrt{s} = 189 GeV$ at LEP (1999)
Abbiendi, G, Ackerstaff, K, Alexander, Gideon, Allison, J, Anderson, K J, Anderson, S, ...
A search for charginos and neutralinos, predicted by supersymmetric theories, is performed using a data sample of 182.1 pb-1 taken at a centre-of-mass energy of 189 GeV with the OPAL detector at LEP....
Abbiendi, G, Ackerstaff, K, Alexander, Gideon, Allison, J, Anderson, K J, Anderson, S, ...
A selection of di-lepton events with significant missing transverse momentum has been performed using a total data sample of 237.4 pb-1 at e+e- centre-of-mass energies of 183 GeV and 189 GeV. The...
A Study of Three-Prong $\tau$ Decays with Charged Kaons (1999)
Abbiendi, G, Ackerstaff, K, Alexander, Gideon, Allison, J, Anderson, K J, Anderson, S, ...
From an analysis of the ionisation energy loss of charged particles selected from a sample of 147926 e+e- -> tau+tau- candidates recorded in the OPAL detector at e+e- centre-of-mass energies near the...
Abbiendi, G, Ackerstaff, K, Alexander, Gideon, Allison, J, Anderson, K J, Anderson, S, ...
A search for pair-produced leptoquarks has been performed using a sample of e+e- collision events collected by the OPAL detector at LEP at e+e- centre-of-mass energies of about 183 GeV. The data...
Abbiendi, G, Ackerstaff, K, Alexander, Gideon, Allison, J, Anderson, K J, Anderson, S, ...
Cross-sections and angular distributions for hadronic and lepton pair final states in e+e- collisions at a centre-of-mass energy near 189 GeV, measured with the OPAL detector at LEP, are presented...
Search for Neutral Higgs Bosons in $e^{+}e^{-}$ Collisions at $\sqrt{s} \sim$ 189 GeV (1999)
Abbiendi, G, Ackerstaff, K, Alexander, Gideon, Allison, J, Anderson, K J, Anderson, S, ...
A search for neutral Higgs bosons has been performed with the OPAL detector at LEP, using approximately 170 pb-1 of e+e- collision data collected at sqrt(s)~189GeV. Searches have been performed for...
Abbiendi, G, Ackerstaff, K, Alexander, Gideon, Allison, J, Anderson, K J, Anderson, S, ...
The rate of secondary charm-quark-pair production has been measured in 4.4 million hadronic Z0 decays collected by OPAL. By selecting events with three jets and tagging charmed hadrons in the gluon...
Multi-photon production in $e^{+}e^{-}$ collisions at $\sqrt{s}$ = 189 GeV (1999)
Abbiendi, G, Ackerstaff, K, Alexander, Gideon, Allison, J, Anderson, K J, Anderson, S, ...
The process e+e- to 2 (or 3) gammas is studied using data recorded with the OPAL detector at LEP. The data sample taken at a centre-of-mass energy of 189 GeV corresponds to a total integrated...
A study of $B^{0}_{s}$ meson oscillation using hadronic $Z^{0}$ decays containing leptons (1999)
Abbiendi, G, Ackerstaff, K, Alexander, Gideon, Allison, J, Altekamp, N, Anderson, K J, ...
A sample of Z decays containing b-flavoured hadrons is tagged using leptons, and events having precise proper time measurements are selected. These events are used to study Bs oscillations. using the...
Abbiendi, G, Ackerstaff, K, Alexander, Gideon, Allison, J, Altekamp, N, Anderson, K J, ...
A search is described for the generic process e+e- to X Y, where X is a neutral heavy scalar boson decaying into a pair of photons, and Y is a neutral heavy boson (scalar or vector) decaying into a...
Abbiendi, G, Ackerstaff, K, Alexander, Gideon, Allison, J, Altekamp, N, Anderson, K J, ...
The helicity density matrix elements rho[00] of rho(770)+- and omega(782) mesons produced in Z decays have been measured using the OPAL detector at LEP. Over the measured meson energy range, the...
Measurements of inclusive semileptonic branching fractions of b hadrons in $Z^{0}$ decays (1999)
Abbiendi, G, Ackerstaff, K, Alexander, Gideon, Allison, J, Altekamp, N, Anderson, K J, ...
A measurement of inclusive semileptonic branching fractions of b hadrons produced in Z decays is presented. An enriched Z -> bbbar sample is obtained with a lifetime flavour-tagging technique. The...
Total Hadronic Cross-Section of Photon-Photon Interactions at LEP (1999)
Abbiendi, G, Ackerstaff, K, Alexander, Gideon, Allison, J, Altekamp, N, Anderson, K J, ...
The total hadronic cross-section sigma_gg(W) for the interaction of real photons, gg->hadrons, is measured for gg centre-of-mass energies 10 e+e- hardrons, using a luminosity function for the photon...
Search for R-Parity Violating Decays of Scalar Fermions at LEP (1999)
Abbiendi, G, Ackerstaff, K, Alexander, Gideon, Allison, J, Altekamp, N, Anderson, K J, ...
A search for pair produced scalar fermions with couplings that violate R-parity has been performed using a data sample corresponding to an integrated luminosity of 56 pb-1 at a centre-of-mass energy...
Abbiendi, G, Ackerstaff, K, Alexander, Gideon, Allison, J, Altekamp, N, Anderson, K J, ...
We present a test of the flavour independence of the strong coupling constant for charm and bottom quarks with respect to light (uds) quarks, based on a hadronic event sample obtained with the OPAL...
Search for Scalar Top and Scalar Bottom Quarks at $\sqrt{s}$ = 189 GeV at LEP (1999)
Abbiendi, G, Ackerstaff, K, Alexander, Gideon, Allison, J, Altekamp, N, Anderson, K J, ...
Searches for a scalar top quark and a scalar bottom quark have been performed using a data sample of 182 pb-1 at a centre-of-mass energy of 189 GeV collected with the OPAL detector at LEP. No...
Experimental properties of gluon and quark jets from a point source (1999)
Abbiendi, G, Ackerstaff, K, Alexander, Gideon, Allison, J, Altekamp, N, Anderson, K J, ...
Gluon jets are identified in hadronic Z0 decays as all the particles in a hemisphere opposite to a hemisphere containing two tagged quark jets. Gluon jets defined in this manner are equivalent to...
Intermittency and correlations in hadronic $Z^0$ decays (1999)
Abbiendi, G, Ackerstaff, K, Alexander, Gideon, Allison, J, Altekamp, N, Anderson, K J, ...
A multidimensional study of local multiplicity fluctuations and multiparticle correlations of hadrons produced in Z decays is performed. The study is based on the data sample of more than 4 million...
Measurements of the QED Structure of the Photon (1999)
Abbiendi, G, Ackerstaff, K, Alexander, Gideon, Allison, J, Altekamp, N, Anderson, K J, ...
The structure of both quasi-real and highly virtual photons is investigated using the reaction e+e- -> e+e-mu+mu-, proceeding via the exchange of two photons. The results are based on the complete...
Searches for R-Parity Violating Decays of Gauginos at 183 GeV at LEP (1999)
Abbiendi, G, Ackerstaff, K, Alexander, Gideon, Allison, J, Altekamp, N, Anderson, K J, ...
Searches for pair-produced charginos and neutralinos with R-parity violating decays have been performed using a data sample corresponding to an integrated luminosity of 56 pb-1 collected with the...
Measurement of the W Mass and Width in $e^{+}e^{-}$ Collisions at 183 GeV (1999)
Abbiendi, G, Ackerstaff, K, Alexander, Gideon, Allison, J, Altekamp, N, Anderson, K J, ...
Using a data sample of 57 pb-1 recorded at a centre-of-mass energy of 183 GeV with the Opal detector at LEP, 282 W+W- -> qqqq and 300 W+W- -> qqlnu candidate events are used to obtain a measurement...
Colour reconnection studies in $e^{+}e^{-} \to W^{+}W^{-}$ at $\sqrt{s}$=183 GeV (1999)
Abbiendi, G, Ackerstaff, K, Alexander, Gideon, Allison, J, Altekamp, N, Anderson, K J, ...
The predicted effects of final state interactions such as colour reconnection are investigated by measuring properties of hadronic decays of W bosons, recorded at a centre-of-mass energy of...
Abbiendi, G, Ackerstaff, K, Alexander, Gideon, Allison, J, Altekamp, N, Anderson, K J, ...
The lifetimes of the B+ and B0 mesons, and their ratio, have been measured in the OPAL experiment using 2.4 million hadronic Z0 decays recorded at LEP. Z0 -> b bbar decays were tagged using displaced...
Search for Baryon and Lepton Number Violating $Z^0$ Decays (1999)
Abbiendi, G, Ackerstaff, K, Alexander, Gideon, Allison, J, Altekamp, N, Anderson, K J, ...
Using data collected with the OPAL detector at LEP, we have searched for the processes e+e- -> Z0 -> p e-, p mu- and the charge conjugate final-states. These would violate the conservation of the...
A Study of B0(S) meson oscillation using hadronic Z0 decays containing leptons (1999)
OPAL Collaboration, Abbiendi, G, Ackerstaff, K, Alexander, G, Allison, J, Altekamp, N, ...
Intermittency and correlations in hadronic Z0 decays (1999)
OPAL Collaboration, Abbiendi, G, Ackerstaff, K, Alexander, G, Allison, J, Altekamp, N, ...
Experimental properties of gluon and quark jets from a point source (1999)
OPAL Collaboration, Abbiendi, G, Ackerstaff, K, Alexander, G, Allison, J, Altekamp, N, ...
A Study of spin alignment of rho(770)+- and omega(782) mesons in hadronic Z0 decays (1999)
OPAL Collaboration, Abbiendi, G, Ackerstaff, K, Alexander, G, Allison, J, Altekamp, N, ...
Measurement of the production rate of charm quark pairs from gluons in hadronic Z0 decays (1999)
OPAL Collaboration, Abbiendi, G, Ackerstaff, K, Alexander, G, Allison, J, Anderson, K J, ...
A Study of three prong tau decays with charged kaons (1999)
OPAL Collaboration, Abbiendi, G, Ackerstaff, K, Alexander, G, Allison, J, Anderson, K J, ...
Leading particle production in light flavor jets (1999)
OPAL Collaboration, Abbiendi, G, Ackerstaff, K, Akesson, PF, Alexander, G, Allison, J, ...
Measurements of inclusive semileptonic branching fractions of b hadrons in Z0 decays (1999)
OPAL Collaboration, Abbiendi, G, Ackerstaff, K, Alexander, G, Allison, J, Altekamp, N, ...
Measurements of R(b), A**b(FB), and A**c(FB) in e+ e- collisions at 130-GeV - 189-GeV (1999)
OPAL Collaboration, Abbiendi, G, Ackerstaff, K, Akesson, P F, Alexander, G, Allison, J, ...
Measurements of the QED structure of the photon (1999)
OPAL Collaboration, Abbiendi, G, Ackerstaff, K, Alexander, G, Allison, J, Altekamp, N, ...
Multiphoton production in e+ e- collisions at S**(1/2) = 189-GeV (1999)
OPAL Collaboration, Abbiendi, G, Ackerstaff, K, Alexander, G, Allison, J, Anderson, K J, ...
Precision luminosity for Z0 line shape measurements with a silicon tungsten calorimeter (1999)
OPAL Collaboration, Abbiendi, G, Ackerstaff, K, Alexander, G, Allison, J, Anderson, K J, ...
QCD studies with e+ e- annihilation data at 172-GeV - 189-GeV (1999)
OPAL Collaboration, Abbiendi, G, Ackerstaff, K, Akesson, P F, Alexander, G, Allison, J, ...
Search for neutral Higgs bosons in e+ e- collisions at S**(1/2) approximately equals 189-GeV (1999)
OPAL Collaboration, Abbiendi, G, Ackerstaff, K, Alexander, G, Allison, J, Anderson, K J, ...
Search for chargino and neutralino production at S**(1/2) = 189-GeV at LEP (1999)
OPAL Collaboration, Abbiendi, G, Ackerstaff, K, Alexander, G, Allison, J, Anderson, K J, ...
Search for new physics in rare B decays (1999)
OPAL Collaboration, Abbiendi, G, Ackerstaff, K, Akesson, P F, Alexander, G, Allison, J, ...
Search for scalar top and scalar bottom quarks at S**(1/2) = 189-GeV at LEP (1999)
OPAL Collaboration, Abbiendi, G, Ackerstaff, K, Alexander, G, Allison, J, Altekamp, N, ...
Search for R-parity violating decays of scalar fermions at LEP (1999)
OPAL Collaboration, Abbiendi, G, Ackerstaff, K, Alexander, G, Allison, J, Altekamp, N, ...
Tau decays with neutral kaons (1999)
OPAL Collaboration, Abbiendi, G, Ackerstaff, K, Akesson, P F, Alexander, G, Allison, J, ...
Search for unstable heavy and excited leptons at LEP-2 (1999)
OPAL Collaboration, Abbiendi, G, Ackerstaff, K, Akesson, P F, Alexander, G, Allison, J, ...
Total hadronic cross-section of photon-photon interactions at LEP (1999)
OPAL Collaboration, Abbiendi, G, Ackerstaff, K, Alexander, G, Allison, J, Altekamp, N, ...
JADE Collaboration, OPAL Collaboration, Pfeifenschneider, P, Biebel, O, Movilla Fernandez, P A, Abbiendi, G, ...
SLD Collaboration, Abe, Kenji, Abe, Koya, Abe, T, Adam, I, Akagi, T, ...
Direct measurement of A(b) and A(c) at the Z0 pole using a lepton tag (1999)
SLD Collaboration, Abe, Kenji, Abe, Koya, Abe, T, Adam, I, Akagi, T, ...
A Study of correlations between identified charged hadronic Z0 decays (1999)
SLD Collaboration, Abe, Kenji, Abe, Koya, Abe, T, Adam, I, Akagi, T, ...
Direct measurement of the neutral weak dipole moments of the tau lepton (1999)
SLD Collaboration, Abe, Kenji, Abe, Koya, Abe, T, Adam, I, Akagi, T, ...
Direct measurement of A(c) using inclusive charm tagging at the SLD detector (1999)
SLD Collaboration, Abe, Kenji, Abe, Koya, Abe, T, Adam, I, Akagi, T, ...
Direct measurement of A(b) using charged kaons at the SLD detector (1999)
SLD Collaboration, Abe, Kenji, Abe, Koya, Abe, T, Adam, I, Akagi, T, ...
Combined SLD measurement of A(b) at the Z0 resonance using various techniques (1999)
SLD Collaboration, Abe, Kenji, Abe, Koya, Abe, T, Adam, I, Akagi, T, ...
An Improved direct measurement of leptonic coupling asymmetries with polarized Z0s (1999)
SLD Collaboration, Abe, Kenji, Abe, Koya, Abe, T, Adam, I, Akagi, T, ...
SLD Collaboration, Abe, Kenji, Abe, Koya, Abe, T, Adam, I, Akagi, T, ...
Measurement of A(c) with charmed mesons at SLD (1999)
SLD Collaboration, Abe, Kenji, Abe, Koya, Abe, T, Adam, I, Akagi, T, ...
Measurement of the b quark fragmentation function in Z0 decays (1999)
SLD Collaboration, Abe, Kenji, Abe, Koya, Abe, T, Adam, I, Akagi, T, ...
Measurement of the probability for gluon splitting into b anti-b in Z0 decays (1999)
SLD Collaboration, Abe, Kenji, Abe, Koya, Abe, T, Adam, I, Akagi, T, ...
Production of charged pi+-, K+- and p / anti-p in hadronic Z0 decays (1999)
SLD Collaboration, Abe, Kenji, Abe, Koya, Abe, T, Adam, I, Akagi, T, ...
New measurement of A(b) at the Z0 resonance using a vertex charge technique (1999)
SLD Collaboration, Abe, Kenji, Abe, Koya, Abe, T, Adam, I, Akagi, T, ...
Measurement of the B+ and B0 lifetimes using topological vertexing at SLD (1999)
SLD Collaboration, Abe, Kenji, Abe, Koya, Abe, T, Adam, I, Akagi, T, ...
Precise measurement of the b quark fragmentation function in Z0 boson decays (1999)
SLD Collaboration, Abe, Kenji, Abe, Koya, Abe, T, Adam, I, Akimoto, H, ...
Search for charmless hadronic decays of B mesons with the SLD detector (1999)
SLD Collaboration, Abe, Kenji, Abe, Koya, Abe, T, Adam, I, Akagi, T, ...
Searches for anomalous effects in the b anti-b g coupling (1999)
SLD Collaboration, Abe, Kenji, Abe, Koya, Abe, T, Adam, I, Akagi, T, ...
Measurement of Z0 to heavy quark couplings at SLD (1999)
SLD Collaboration, Iwasaki, M, Abe, Kenji, Abe, Koya, Abe, T, Adam, I, ...
Tests of QCD using heavy flavors at SLD (1999)
SLD Collaboration, Dong, D, Abe, Kenji, Abe, Koya, Abe, T, Adam, I, ...
An Improved measurement of the b quark fragmentation function in Z0 decays (1999)
SLD Collaboration, Dong, Danning, Abe, K, Abe, K, Abe, T, Adam, I, ...
Measurements of Z0 electroweak couplings at SLD (1999)
SLD Collaboration, Mancinelli, G, Abe, Kenji, Abe, Koya, Abe, T, Adam, I, ...
SLD Collaboration, Abe, Kenji, Abe, Koya, Abe, T, Adam, I, Akagi, T, ...
Symmetry tests in polarized Z0 decays to b anti-b g (1999)
SLD Collaboration, Abe, Kenji, Abe, Koya, Abe, T, Adam, I, Akagi, T, ...
Time dependent B0(s) - anti-B0(s) mixing using inclusive and semileptonic B decays at SLD (1999)
SLD Collaboration, Abe, Kenji, Abe, Koya, Abe, T, Adam, I, Akagi, T, ...
Light quark fragmentation and a measurement of A(s) at the SLD (1999)
SLD Collaboration, Staengle, H, Abe, K, Abe, K, Abe, T, Adam, I, ...
Recent tests of QCD at SLD (1999)
SLD Collaboration, Muller, D, Abe, Kenji, Abe, Koya, Abe, T, Adam, I, ...
Hadron production in quark and anti-quark jets (1999)
SLD Collaboration, Muller, D, Abe, Kenji, Abe, Koya, Abe, T, Adam, I, ...
Abbiendi, G, Ackerstaff, K, Alexander, Gideon, Allison, J, Altekamp, N, Anderson, K J, ...
The product branching ratio, f(b->Lambda_b).BR(Lambda_b->Lambda X), where Lambda_b denotes any weakly-decaying b-baryon, has been measured using the OPAL detector at LEP. Lambda_b are selected by the...
A measurement of the $\tau^{-} \to e^{-} \overline{\nu}_{e}\nu_{\tau}$ branching ratio (1998)
Abbiendi, G, Ackerstaff, K, Alexander, Gideon, Allison, J, Altekamp, N, Anderson, K J, ...
The branching ratio for the decay tau->e nue nutau has been measured using Z0 decay data collected by the OPAL experiment at LEP. In total 33073 tau->e nue nutau candidates were identified from a...
$W^{+}W^{-}$ production and triple gauge boson couplings at LEP energies up to 183 GeV (1998)
Abbiendi, G, Ackerstaff, K, Alexander, Gideon, Allison, J, Altekamp, N, Anderson, K J, ...
A study of W-pair production in e+e- annihilations at Lep2 is presented, based on 877 W+W- candidates corresponding to an integrated luminosity of 57 pb-1 at sqrt(s) = 183 GeV. Assuming that the...
Search for Higgs Bosons in $e^{+} e^{-}$ Collisions at 183 GeV (1998)
Abbiendi, G, Ackerstaff, K, Alexander, Gideon, Allison, J, Altekamp, N, Anderson, K J, ...
The data collected by the OPAL experiment at sqrts=183 GeV were used to search for Higgs bosons which are predicted by the Standard Model and various extensions, such as general models with two Higgs...
Bose-Einstein Correlations in $e^{+} e^{-} \to W^{+}W^{-}$ at 172 and 183 GeV (1998)
Abbiendi, G, Ackerstaff, K, Alexander, Gideon, Allison, J, Altekamp, N, Anderson, K J, ...
Bose-Einstein correlations between like-charge pions are studied in hadronic final states produced by e+e- annihilations at center-of-mass energies of 172 and 183 GeV. Three event samples are...
A Measurement of $R_{b}$ using a Double Tagging Method (1998)
Abbiendi, G, Ackerstaff, K, Alexander, Gideon, Allison, J, Altekamp, N, Anderson, K J, ...
The fraction of Z to bbbar events in hadronic Z decays has been measured by the OPAL experiment using the data collected at LEP between 1992 and 1995. The Z to bbbar decays were tagged using...
Abbiendi, G, Ackerstaff, K, Alexander, Gideon, Allison, J, Altekamp, N, Anderson, K J, ...
Photonic events with large missing energy have been observed in e+e- collisions at centre-of-mass energies of 130, 136 and 183 GeV collected in 1997 using the OPAL detector at LEP. Results are...
Abbiendi, G, Ackerstaff, K, Alexander, Gideon, Allison, J, Altekamp, N, Anderson, K J, ...
The inclusive charm hadron semileptonic branching fractions B(c to e) and B(c to mu) in Z to ccbar events have been determined using 4.4 million hadronic Z decays collected with the OPAL detector at...
Search for Chargino and Neutralino Production at $\sqrt{s}$ = 181-184 GeV at LEP (1998)
Abbiendi, G, Ackerstaff, K, Alexander, Gideon, Allison, J, Altekamp, N, Anderson, K J, ...
A search for charginos and neutralinos, predicted by supersymmetric theories, has been performed using a data sample of 57 pb-1 at centre-of-mass energies of 181-184 GeV taken with the OPAL detector...
Spectral Functions and the Strong Coupling Constant $\alpha_s$ in $\tau$ Decays from OPAL (1998)
A measurement of the strong coupling constant \as\ from \tds\ by the OPAL collaboration is presented. The result using the contour improved third order calculation is $\as\left(\mtau^2\right) = 0....
Abbiendi, G, Ackerstaff, K, Alexander, Gideon, Allison, J, Altekamp, N, Anderson, K J, ...
In the process e+e- to hadrons, one of the effects of gluon emission is to modify the 1+cos(theta)**2 form of the angular distribution of the thrust axis, an effect which may be quantified by the...
Abbiendi, G, Ackerstaff, K, Alexander, Gideon, Allison, J, Altekamp, N, Anderson, K J, ...
A selection of di-lepton events with significant missing transverse momentum has been performed using a total data sample of 77.0 pb-1 at e+e- centre-of-mass energies of 161 GeV, 172 GeV and 183 GeV....
Abbiendi, G, Ackerstaff, K, Alexander, Gideon, Allison, J, Altekamp, N, Anderson, K J, ...
The correlated production of Lambda and Lambdabar baryons has been studied using 4.3 million multihadronic Zo decays recorded with the OPAL detector at LEP. Di-lambda pairs were investigated in the...
First measurement of $Z/\gamma^{*}$ production in Compton scattering of quasi-real photons (1998)
Abbiendi, G, Ackerstaff, K, Alexander, Gideon, Allison, J, Altekamp, N, Anderson, K J, ...
We report the first observation of Z/gamma* production in Compton scattering of quasi-real photons. This is a subprocess of the reaction e+e- to e+e-Z/gamma*, where one of the final state electrons...