Expected Performance of the ATLAS Experiment - Detector, Trigger and Physics (2008)
Abat, E., Abbott, B., Abdallah, J., Abdelalim, A. A., Abdesselam, A., ...
A detailed study is presented of the expected performance of the ATLAS detector. The reconstruction of tracks, leptons, photons, missing energy and jets is investigated, together with the performance...
OE-scan with pions and muons - Analysis of TILECAL test beam data (2007)
Amaral Carvalho, P. Amaral, J. Carvalho, A. Gomes, A. Henriques, A. Maio, ...
The TILECAL 5 prototype modules were exposed to particle beams at the CERN SPS beam. The uniformity of the response to muons and pions with energies from 20 to 300 GeV for ` = 10 ffi has been studied...
Akhmadaliev, S., Amaral, P., Ambrosini, G., Amorim, A., Anderson, K., Andrieux, M.L., ...
This paper discusses hadron energy reconstruction for the ATLAS barrel prototype combined calorimeter (consisting of a lead-liquid argon electromagnetic part and an iron-scintillator hadronic part)...
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...
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...
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...
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...
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....
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...
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...
Combination of CDF and D0 results on the W boson mass and width (2004)
Abazov, V. M., Abbott, B., Abdesselam, A., Abolins, M., Abramov, V., Acharya, B. S., ...
The results based on 1992-95 data (Run 1) from the CDF and D0 experiments on the measurements of the W boson mass and width are presented, along with the combined results. We report a Tevatron...
Combination of CDF and D0 results on the W boson mass and width (2004)
CDF Collaboration, Abazov, VM, Abbott, B, Abdesselam, A, Abolins, M, Abramov, V, ...
Combination of CDF and D0 results on the W boson mass and width (2004)
M. Abazov, V., Abbott, B., Abdesselam, A., Abolins, M., Abramov, V., S. Acharya, B., ...
The results based on 199295 data (Run 1) from the CDF and D0 experiments on the measurements of the W boson mass and width are presented, along with the combined results. We report a Tevatron...
Combination of CDF and D0 results on the W boson mass and width (2004)
M. Abazov, V., Abbott, B., Abdesselam, A., Abolins, M., Abramov, V., S. Acharya, B., ...
The results based on 199295 data (Run 1) from the CDF and D0 experiments on the measurements of the W boson mass and width are presented, along with the combined results. We report a Tevatron...
Combination of CDF and D0 results on the W boson mass and width (2004)
Abazov, V.M., Abbott, B., Abdesselam, A., Abolins, M., Abramov, V., S. Acharya, B., ...
The results based on 199295 data (Run 1) from the CDF and D0 experiments on the measurements of the W boson mass and width are presented, along with the combined results. We report a Tevatron...
Combination of CDF and D0 results on the W boson mass and width (2004)
Abazov, V.M., Abbott, B., Abdesselam, A., Abolins, M., Abramov, V., S. Acharya, B., ...
The results based on 199295 data (Run 1) from the CDF and D0 experiments on the measurements of the W boson mass and width are presented, along with the combined results. We report a Tevatron...
Combination of CDF and D0 results on the W boson mass and width (2004)
Abazov, V.M., Abbott, B., Abdesselam, A., Abolins, M., Abramov, V., S. Acharya, B., ...
The results based on 199295 data (Run 1) from the CDF and D0 experiments on the measurements of the W boson mass and width are presented, along with the combined results. We report a Tevatron...
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...
The CKM Matrix and the unitary triangle (2003)
Battaglia, M., Buras, A.J., Gambino, P., Stocchi, A., Abbaneo, D., Ali, A., ...
This report contains the results of the Workshop on the CKM Unitarity Triangle, held at CERN on 13-16 February 2002 to study the determination of the CKM matrix from the available data of K, D, and B...
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...
The CKM Matrix and the Unitarity Triangle (2003)
Battaglia, Marco, Yamanda, N, Willocq, S, Wilkinson, G, Wilden, L H, Weiser, C, ...
This report contains the results of the Workshop on the CKM Unitarity Triangle, held at CERN on 13-16 February 2002 to study the determination of the CKM matrix from the available data of K, D, and B...
The CKM Matrix and the Unitarity Triangle (2003)
Battaglia, M., Buras, A. J., Gambino, P., Stocchi, A., Abbaneo, D., Ali, A., ...
This report contains the results of the Workshop on the CKM Unitarity Triangle, held at CERN on 13-16 February 2002 to study the determination of the CKM matrix from the available data of K, D, and B...
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...
Measurement of the mass difference m(D-s(+))-m(D+) at CDF II (2003)
Acosta, D., Affolder, T., Ahn, M. H., Akimoto, T., Albrow, M. G., Alcorn, B., ...
We present a measurement of the mass difference m(D-s(+))-m(D+), where both the D-s(+) and D+ are reconstructed in the phipi(+) decay channel. This measurement uses 11.6 pb(-1) of data collected by...
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, ...
Measurement of the mass difference m(D-s(+))-m(D+) at CDF II (2003)
CDF Collaboration, Acosta, D, Affolder, T, Ahn, MH, Akimoto, T, Albrow, MG, ...
Measurement of the mass difference m(Ds+)-m(D+)at CDF II (2003)
Acosta, D., Affolder, T., Ahn, M.H., Akimoto, T., Albrow, M.G., Alcorn, B., ...
We present a measurement of the mass difference m(D-s(+))- m(D+), where both the D-s(+) and D+ are reconstructed in the phipi(+) decay channel. This measurement uses 11.6 pb(-1) of data collected by...
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 +-...
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...
Search for Charged Excited Leptons in $e^+ e^-$ Collisions at $\sqrt{s}$ = 183-209 GeV (2002)
Ainsley, C, Åkesson, P F, Alexander, Gideon, Allison, J, Amaral, P, Anagnostou, G, ...
A search for charged excited leptons decaying into a lepton and photon has been performed using approximately 680 pb-1 of e+e- collision data collected by the OPAL detector at LEP at centre-of-mass...
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...
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, ...
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, ...
Akhmadaliev, S., Amaral, P., Ambrosini, G., Amorim, A., Anderson, K., Andrieux, M.L., ...
This paper discusses hadron energy reconstruction for the ATLAS barrel prototype combined calorimeter (consisting of a lead-liquid argon electromagnetic part and an iron-scintillator hadronic part)...
Akhmadaliev, S., Amaral, P., Ambrosini, G., Amorim, A., Anderson, K., Andrieux, M.L., ...
This paper discusses hadron energy reconstruction for the ATLAS barrel prototype combined calorimeter (consisting of a lead-liquid argon electromagnetic part and an iron-scintillator hadronic part)...
Diffractive dijet production at root s=630 and 1800 GeV at the Fermilab tevatron (2002)
Acosta, D., Affolder, T., Akimoto, H., Albrow, M.G., Amaral, P., Ambrose, D., ...
We report a measurement of the diffractive structure function F-jj(D) of the antiproton obtained from a study of dijet events produced in association with a leading antiproton in (p) over barp...
Acosta, D., Affolder, T., Akimoto, H., Albrow, M.G., Amaral, P., Ambrose, D., ...
We present measurements of the B+ meson total cross section and differential cross section dsigma/dp(T). The measurements use a 98+/-4 pb(-1) sample of p (p) over bar collisions at roots = 1.8 TeV...
Search for new physics in photon-lepton events in p(p)over-bar collisions at root s=1.8 TeV (2002)
Acosta, D., Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., ...
We present the results of a search in p (p) over bar collisions at roots=1.8 TeV for anomalous production of events containing a photon with large transverse energy and a lepton (e or mu) with large...
Search for single-top-quark production in p(p)over-bar collisions at root s=1.8 TeV (2002)
Acosta, D., Affolder, T., Akimoto, H., Albrow, M.G., Amaral, P., Ambrose, D., ...
We search for standard model single-top-quark production in the W-gluon fusion and W-star channels using 106 pb(-1) of data from p(p) over bar collisions at roots = 1.8 TeV collected with the...
Search for the decay B-s âmu(+)mu(-)phi in p(p)over-bar collisions at root s=1.8 TeV (2002)
Acosta, D., Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., ...
We present a search for the flavor-changing neutral current decay B-sâmu(+)mu(-)phi in p (p) over bar collisions at roots=1.8 TeV, using 91 pb(-1) of data collected at the Collider Detector at...
Soft and hard interactions in p(p)over-bar collisions at root s=1800 and 630 GeV (2002)
Acosta, D., Affolder, T., Akimoto, H., Albrow, M.G., Amaral, P., Ambrose, D., ...
We present a study of p (p) over bar collisions at roots=1800 and 630 GeV collected using a minimum bias trigger by the CDF experiment in which the data set is divided into two classes corresponding...
Acosta, D., Affolder, T., Akimoto, H., Akopian, A., Amaral, P., Ambrose, D., ...
We present a detailed examination of the heavy flavor content of the W+jet data sample collected with the Collider Detector at Fermilab during the 1992-1995 collider run at the Fermilab Tevatron....
Upsilon production and polarization in p(p)over-bar collisions at root s=1.8 TeV (2002)
Acosta, D., Affolder, T., Akimoto, H., Albrow, M.G., Amaral, P., Ambrose, D., ...
We report on measurements of the Y(1S), Y(2S), and Y(3S) differential cross sections (d(2)sigma/dp(T)dy)(\y\ lt 0.4) , as well as on the Ε(1S) polarization in p[(p)over bar] collisions at roots =...
Charged jet evolution and the underlying event in proton- antiproton collisions at 1.8 TeV (2002)
Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amidei, D., ...
The growth and development of "charged particle jets" produced in proton-antiproton collisions at 1.8 TeV are studied over a transverse momentum range from 0.5 GeV/c to 50 GeV/c. A variety of leading...
Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amidei, D., ...
We present a measurement of the cross section and the first measurement of the heavy flavor content of associated direct photon + muon events produced in hadronic collisions. These measurements come...
Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amidei, D., ...
We report a measurement of the strong coupling constant, alpha(s)(M-Z), extracted from inclusive jet production in p (p) over bar collisions at root(s) = 1800 GeV. The QCD prediction for the...
Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amidei, D., ...
We have performed a search for gluinos ((g) over tilde) and scalar quarks ((q) over tilde) in a data sample of 84 pb(-1) of p (p) over bar collisions at roots = 1.8 TeV, recorded by the Collider...
Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amidei, D., ...
We present the first general search for new heavy particles, X, which decay via X → WZ(0) → enu + jj as a function of M-X and Gamma(X) in p(p) over bar collisions at roots = 1.8 TeV. No evidence...
Searches for new physics in events with a photon and b-quark jet at CDF (2002)
Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amidei, D., ...
We have searched for evidence of physics beyond the standard model in events that include an energetic photon and an energetic b-quark jet, produced in 85 pb(-1) of (p) over barp collisions at 1.8...
Study of B-0 â J/psi K-(*)0 pi(+)pi(-) decays with the Collider detector at Fermilab (2002)
Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amidei, D., ...
We report a study of the decays B-0 â J/psiK((*)0) pi(+) pi(- ), which involve the creation of a u(u) over bar or d(d) over bar quark pair in addition to a (b) over bar â (c) over bar(c(s)...
A precise measurement of 180 GeV muon energy losses in iron (2001)
Amaral, P., Amorim, A., Anderson, K., Artikov, A., Benetta, R., Berglund, S., ...
The energy loss spectrum of 180 GeV muons has been measured with the 5.6 m long finely segmented Module 0 of the ATLAS hadron tile calorimeter at the CERN SPS. The differential probability dP/d nu...
A precise measurement of 180 GeV muon energy losses in iron (2001)
Amaral, P., Amorim, A., Anderson, K., Artikov, A., Benetta, R., Berglund, S., ...
The energy loss spectrum of 180 GeV muons has been measured with the 5.6 m long finely segmented Module 0 of the ATLAS hadron tile calorimeter at the CERN SPS. The differential probability dP/d nu...
A precise measurement of 180 GeV muon energy losses in iron (2001)
Amaral, P., Amorim, A., Anderson, K., Artikov, A., Benetta, R., Berglund, S., ...
The energy loss spectrum of 180 GeV muons has been measured with the 5.6 m long finely segmented Module 0 of the ATLAS hadron tile calorimeter at the CERN SPS. The differential probability dP/d nu...
A precise measurement of 180 GeV muon energy losses in iron (2001)
Amaral, P., Amorim, A., Anderson, K., Artikov, A., Benetta, R., Berglund, S., ...
The energy loss spectrum of 180 GeV muons has been measured with the 5.6 m long finely segmented Module 0 of the ATLAS hadron tile calorimeter at the CERN SPS. The differential probability dP/d nu...
A precise measurement of 180 GeV muon energy losses in iron (2001)
Amaral, P., Amorim, A., Anderson, K., Artikov, A., Benetta, R., Berglund, S., ...
The energy loss spectrum of 180 GeV muons has been measured with the 5.6 m long finely segmented Module 0 of the ATLAS hadron tile calorimeter at the CERN SPS. The differential probability dP/d nu...
Charged-particle multiplicity p(p)over-bar collisions at root s=1.8 TeV (2001)
Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amidei, D., ...
We report on a measurement of the mean charged-particle multiplicity of jets in dijet events with dijet masses in the range 80-630 GeV/c(2), produced at the Tevatron in p(p) over bar collisions with...
Double diffraction dissociation at the Fermilab Tevatron collider (2001)
Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amidei, D., ...
We present results from a measurement of double diffraction dissociation in pp collisions at the Fermilab Tevatron collider. The production cross section for events with a central pseudorapidity gap...
Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amendolia, S.R., ...
We present the first measurement of the ratio of branching fractions R ≡ B(t → Wb)/B(t → Wq) from pa collisions at roots = 1.8 TeV. The data set corresponds to 109 pb-1 of data...
Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amidei, D., ...
We report on a measurement of the mass dependence of the forward-backward charge asymmetry, A(FB), and production cross section d sigma /dM for e(+)e(-) pairs with mass M-ee gt 40 GeV/c(2). The data...
Measurement of the inclusive jet cross section in p(p)over-bar collisions at root s=1.8 TeV (2001)
Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amendolia, S.R., ...
We present results from the measurement of the inclusive jet cross section for jet transverse energies front 40 to 465 GeV in the pseudorapidity range 0.1 lt \[eta]\ lt 0.7. The results are based on...
Measurement of the top quark pT distribution (2001)
Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amendolia, S.R., ...
We have measured the p(T) distribution of top quarks that are pair produced in p (p) over bar collisions at roots = 1.8 TeV using a sample of t (t) over bar decays in which we observe a single...
Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amendolia, S.R., ...
We update the measurement of the t (t) over bar production cross section using the CDF detector at the Fermilab Tevatron. This measurement uses t (t) over bar decays to the final states e + nu + jets...
Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amendolia, S.R., ...
A measurement is presented of the two-jet differential cross section d(3)sigma /dE(T)d eta (1)d eta (2) at center of mass energy roots = 1800 GeV in p (p) over bar collisions. The results are based...
Observation of diffractive J/psi production at the Fermilab Tevatron (2001)
Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amidei, D., ...
We report the first observation of diffractive J/psi(→ mu (+)mu (-)) production in [(p)power bar] collisions at roots = 1.8 TeV. Diffractive events are identified by their rapidity gap signature....
Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amidei, D., ...
We present results of searches for diphoton resonances produced both inclusively and also in association with a vector boson (W or Z) using 100 pb(-1) of p (p) over bar collisions using the CDF...
Search for neutral supersymmetric Higgs bosons in p(p)over-bar collisions at root s=1.8 TeV (2001)
Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amendolia, S.R., ...
We present the results of a starch for neutral Higgs bosons produced in association with b quarks in p (p) over bar → b (b) over barb (b) over bar final states with 91 +/- 7 pb(-1) of p (p) over...
Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amidei, D., ...
We present searches for quark-lepton compositeness and a heavy W' boson at high electron-neutrino transverse mass. We use similar to 110 pb(-1) of data collected in pp collisions at roots = 1.8 TeV...
Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amendolia, S.R., ...
We report on a search for the supersymmetric partner of the top quark (top squark) produced in t (t) over bar events using 110 ph(-1) of p (p) over bar collisions at roots = 1.8 TeV recorded with the...
Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amendolia, S.R., ...
We present a study of events with W bosons and hadronic jets produced in (p) over barp collisions at a center of mass energy of 1.8 TeV. The data consist of 51400 W→e nu decay candidates from 108...
Double Diffraction Dissociation at the Fermilab Tevatron Collider (2001)
Affolder, T., Akimoto, H., Akopian, A., Albrow, M. G., Amaral, P.
Charged-Particle Multiplicity pp-bar Collisions at sqrt(s) = 1.8 TeV (2001)
Affolder, T., Akimoto, H., Akopian, A., Albrow, M. G., Amaral, P.
Observation of Diffractive J/psi Production at the Fermilab Tevatron (2001)
Affolder, T., Akimoto, H., Akopian, A., Albrow, M. G., Amaral, P.
Search for Neutral Supersymmetric Higgs Bosons in pp-bar Collisions at sqrt(s) = 1.8 TeV (2001)
Affolder, T., Akimoto, H., Akopian, A., Albrow, M. G., Amaral, P.
Production of chic1 and chic2 in p overline(p) Collisions at sqrt(s) = 1.8 TeV (2001)
Affolder, T., Akimoto, H., Akopian, A., Albrow, M. G., Amaral, P.
Search for new particles decaying to tt in pp collisions at square root s=1.8 TeV (2000)
Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amendolia, S.R., ...
We use 106 pb/sup -1/ of data collected with the Collider Detector at Fermilab to search for narrow-width, vector particles decaying to a top and an antitop quark. Model independent upper limits on...
Hadronic shower development in iron-scintillator tile calorimetry (2000)
Amaral, P., Amorim, A., Anderson, K., Barreira, G., Benetta, R., Berglund, S R., ...
The lateral and longitudinal profiles of hadronic showers detected by a prototype of the ATLAS Iron-Scintillator Tile Hadron Calorimeter have been investigated. This calorimeter presents a unique...
Hadronic shower development in iron-scintillator tile calorimetry (2000)
Amaral, P., Amorim, A., Anderson, K., Barreira, G., Benetta, R., Berglund, S R., ...
The lateral and longitudinal profiles of hadronic showers detected by a prototype of the ATLAS Iron-Scintillator Tile Hadron Calorimeter have been investigated. This calorimeter presents a unique...
Hadronic Shower Development in Iron-Scintillator Tile Calorimetry (1999)
Amaral, P, Amorim, A, Anderson, K, Barreira, G, Benetta, R, Berglund, S, ...
The lateral and longitudinal profiles of hadronic showers detected by a prototype of the ATLAS Iron-Scintillator Tile Hadron Calorimeter have been investigated. This calorimeter uses a unique...
T. Affolder, H. Akimoto, A. Akopian, M. G. Albrow, P. Amaral, S. R. Amendolia, ...
Top quark production offers the unique opportunity to search for a charged Higgs boson (H \Sigma ), as the contribution from t ! H + b ! + b can be large in extensions of the Standard Model. We use...
Evaluation of Fermi Read-out of the ATLAS Tilecal Prototype (1998)
Agnvall, S, Ajaltouni, Ziad J, Albiol, F, Alifanov, A, Amaral, P, Amelin, D V, ...
Prototypes of the \fermi{} system have been used to read out a prototype of the \atlas{} hadron calorimeter in a beam test at the CERN SPS. The \fermi{} read-out system, using a compressor and a 40...
Evaluation of FERMI read-out of the ATLAS tilecal prototype (1998)
Ajaltouni, Z., Albiol, F., Alifanov, A., Amaral, P., Amelin, D., Amorim, A., ...
Prototypes of the FERMI system have been used to read out a prototype of the ATLAS hadron calorimeter in a beam test at the CERN SPS. The FERMI read-out system, using a compressor and a 40 MHz...
Evaluation of FERMI read-out of the ATLAS tilecal prototype (1998)
Ajaltouni, Z., Albiol, F., Alifanov, A., Amaral, P., Amelin, D., Amorim, A., ...
Prototypes of the FERMI system have been used to read out a prototype of the ATLAS hadron calorimeter in a beam test at the CERN SPS. The FERMI read-out system, using a compressor and a 40 MHz...
Evaluation of FERMI read-out of the ATLAS tilecal prototype (1998)
Ajaltouni, Z., Albiol, F., Alifanov, A., Amaral, P., Amelin, D., Amorim, A., ...
Prototypes of the FERMI system have been used to read out a prototype of the ATLAS hadron calorimeter in a beam test at the CERN SPS. The FERMI read-out system, using a compressor and a 40 MHz...
Evaluation of FERMI read-out of the ATLAS tilecal prototype (1998)
Ajaltouni, Z., Albiol, F., Alifanov, A., Amaral, P., Amelin, D., Amorim, A., ...
Prototypes of the FERMI system have been used to read out a prototype of the ATLAS hadron calorimeter in a beam test at the CERN SPS. The FERMI read-out system, using a compressor and a 40 MHz...
Evaluation of FERMI read-out of the ATLAS tilecal prototype (1998)
Ajaltouni, Z., Albiol, F., Alifanov, A., Amaral, P., Amelin, D., Amorim, A., ...
Prototypes of the FERMI system have been used to read out a prototype of the ATLAS hadron calorimeter in a beam test at the CERN SPS. The FERMI read-out system, using a compressor and a 40 MHz...
Response of the ATLAS tile calorimeter prototype to muons (1997)
Ajaltouni, Z., Albiol, F., Alifanov, A., Amaral, P., Amorim, A., Anderson, K.J., ...
A study of high energy muons traversing the ATLAS hadron Tile calorimeter in the barrel region in the energy range between 10 and 300~GeV is presented. Both test beam experimental data and Monte...
A measurement of the energy loss spectrum of 150 GeV muons in iron (1997)
Berger, E., Blair, R., Dawson, J., Fuess, T., Guarino, V., Hill, N., ...
The energy loss spectrum of 150 GeV muons has been measured with a prototype of the ATLAS hadron calorimeter in the H8 beam of the CERN SPS. The differential probability ${\rm {d}}P/{\rm {d}}v$ per...
Ajaltouni, Z., Tisserand, V., Jezequel, S., Albiol, F., Alifanov, A., Amaral, P., ...
The first combined test of an electromagnetic liquid argon accordion calorimeter and a hadronic scintillating-tile calorimeter was carried out at the CERN SPS. These devices are prototypes of the...
Response of the ATLAS tile calorimeter prototype to muons (1997)
Ajaltouni, Z., Albiol, F., Alifanov, A., Amaral, P., Amorim, A., Anderson, K.J., ...
A study of high energy muons traversing the ATLAS hadron Tile calorimeter in the barrel region in the energy range between 10 and 300~GeV is presented. Both test beam experimental data and Monte...
A measurement of the energy loss spectrum of 150 GeV muons in iron (1997)
Berger, E., Blair, R., Dawson, J., Fuess, T., Guarino, V., Hill, N., ...
The energy loss spectrum of 150 GeV muons has been measured with a prototype of the ATLAS hadron calorimeter in the H8 beam of the CERN SPS. The differential probability ${\rm {d}}P/{\rm {d}}v$ per...
Ajaltouni, Z., Tisserand, V., Jezequel, S., Albiol, F., Alifanov, A., Amaral, P., ...
The first combined test of an electromagnetic liquid argon accordion calorimeter and a hadronic scintillating-tile calorimeter was carried out at the CERN SPS. These devices are prototypes of the...
Response of the ATLAS tile calorimeter prototype to muons (1997)
Ajaltouni, Z., Albiol, F., Alifanov, A., Amaral, P., Amorim, A., Anderson, K.J., ...
A study of high energy muons traversing the ATLAS hadron Tile calorimeter in the barrel region in the energy range between 10 and 300~GeV is presented. Both test beam experimental data and Monte...
A measurement of the energy loss spectrum of 150 GeV muons in iron (1997)
Berger, E., Blair, R., Dawson, J., Fuess, T., Guarino, V., Hill, N., ...
The energy loss spectrum of 150 GeV muons has been measured with a prototype of the ATLAS hadron calorimeter in the H8 beam of the CERN SPS. The differential probability ${\rm {d}}P/{\rm {d}}v$ per...
Ajaltouni, Z., Tisserand, V., Jezequel, S., Albiol, F., Alifanov, A., Amaral, P., ...
The first combined test of an electromagnetic liquid argon accordion calorimeter and a hadronic scintillating-tile calorimeter was carried out at the CERN SPS. These devices are prototypes of the...
Ajaltouni, Z., Tisserand, V., Jezequel, S., Albiol, F., Alifanov, A., Amaral, P., ...
The first combined test of an electromagnetic liquid argon accordion calorimeter and a hadronic scintillating-tile calorimeter was carried out at the CERN SPS. These devices are prototypes of the...
Response of the ATLAS tile calorimeter prototype to muons (1997)
Ajaltouni, Z., Albiol, F., Alifanov, A., Amaral, P., Amorim, A., Anderson, K.J., ...
A study of high energy muons traversing the ATLAS hadron Tile calorimeter in the barrel region in the energy range between 10 and 300~GeV is presented. Both test beam experimental data and Monte...
A measurement of the energy loss spectrum of 150 GeV muons in iron (1997)
Berger, E., Blair, R., Dawson, J., Fuess, T., Guarino, V., Hill, N., ...
The energy loss spectrum of 150 GeV muons has been measured with a prototype of the ATLAS hadron calorimeter in the H8 beam of the CERN SPS. The differential probability ${\rm {d}}P/{\rm {d}}v$ per...
Ajaltouni, Z., Tisserand, V., Jezequel, S., Albiol, F., Alifanov, A., Amaral, P., ...
The first combined test of an electromagnetic liquid argon accordion calorimeter and a hadronic scintillating-tile calorimeter was carried out at the CERN SPS. These devices are prototypes of the...
Response of the ATLAS tile calorimeter prototype to muons (1997)
Ajaltouni, Z., Albiol, F., Alifanov, A., Amaral, P., Amorim, A., Anderson, K.J., ...
A study of high energy muons traversing the ATLAS hadron Tile calorimeter in the barrel region in the energy range between 10 and 300~GeV is presented. Both test beam experimental data and Monte...
A measurement of the energy loss spectrum of 150 GeV muons in iron (1997)
Berger, E., Blair, R., Dawson, J., Fuess, T., Guarino, V., Hill, N., ...
The energy loss spectrum of 150 GeV muons has been measured with a prototype of the ATLAS hadron calorimeter in the H8 beam of the CERN SPS. The differential probability ${\rm {d}}P/{\rm {d}}v$ per...
Response of the ATLAS tile calorimeter prototype to muons (1996)
Ajaltouni, Ziad J, Albiol, F, Alifanov, A, Amaral, P, Amorim, A, Anderson, K J, ...
A study of high energy muons traversing the ATLAS hadron Tile calorimeter in the barrel region in the energy range between 10 and 300~GeV is presented. Both test beam experimental data and Monte...
Ajaltouni, Ziad J, Albiol, F, Alifanov, A, Amaral, P, Ambrosini, G, Amorim, A, ...
The first combined test of an electromagnetic liquid argon accordion calorimeter and a hadronic scintillating-tile calorimeter was carried out at the CERN SPS. These devices are prototypes of the...
A measurement of the energy loss spectrum of 150 GeV muons in iron (1996)
Berger, E, Blair, R, Dawson, J, Fuess, T A, Guarino, V, Hill, N, ...
The energy loss spectrum of 150 GeV muons has been measured with a prototype of the ATLAS hadron calorimeter in the H8 beam of the CERN SPS.\\ The differential probability $dP/dv$ per radiation...
ATLAS calorimeter performance (1996)
ATLAS Collaboration, Airapetian, A, Grabsky, V, Hakopian, H, Vartapetian, A, Fares, F, ...
ATLAS computing technical proposal (1996)
ATLAS Collaboration, Airapetian, A, Grabsky, V, Hakopian, H, Vartapetian, A, Fares, F, ...
Diffractive dijet production at root s=630 and 1800 GeV at the Fermilab tevatron
Acosta, D., Affolder, T., Akimoto, H., Albrow, M.G., Amaral, P., Ambrose, D., ...
We report a measurement of the diffractive structure function F-jj(D) of the antiproton obtained from a study of dijet events produced in association with a leading antiproton in (p) over barp...
Acosta, D., Affolder, T., Akimoto, H., Albrow, M.G., Amaral, P., Ambrose, D., ...
We present measurements of the B+ meson total cross section and differential cross section dsigma/dp(T). The measurements use a 98+/-4 pb(-1) sample of p (p) over bar collisions at roots = 1.8 TeV...
Measurement of the mass difference m(Ds+)-m(D+)at CDF II
Acosta, D., Affolder, T., Ahn, M.H., Akimoto, T., Albrow, M.G., Alcorn, B., ...
We present a measurement of the mass difference m(D-s(+))- m(D+), where both the D-s(+) and D+ are reconstructed in the phipi(+) decay channel. This measurement uses 11.6 pb(-1) of data collected by...
Search for new physics in photon-lepton events in p(p)over-bar collisions at root s=1.8 TeV
Acosta, D., Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., ...
We present the results of a search in p (p) over bar collisions at roots=1.8 TeV for anomalous production of events containing a photon with large transverse energy and a lepton (e or mu) with large...
Search for single-top-quark production in p(p)over-bar collisions at root s=1.8 TeV
Acosta, D., Affolder, T., Akimoto, H., Albrow, M.G., Amaral, P., Ambrose, D., ...
We search for standard model single-top-quark production in the W-gluon fusion and W-star channels using 106 pb(-1) of data from p(p) over bar collisions at roots = 1.8 TeV collected with the...
Search for the decay B-s →mu(+)mu(-)phi in p(p)over-bar collisions at root s=1.8 TeV
Acosta, D., Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., ...
We present a search for the flavor-changing neutral current decay B-s→mu(+)mu(-)phi in p (p) over bar collisions at roots=1.8 TeV, using 91 pb(-1) of data collected at the Collider Detector at...
Soft and hard interactions in p(p)over-bar collisions at root s=1800 and 630 GeV
Acosta, D., Affolder, T., Akimoto, H., Albrow, M.G., Amaral, P., Ambrose, D., ...
We present a study of p (p) over bar collisions at roots=1800 and 630 GeV collected using a minimum bias trigger by the CDF experiment in which the data set is divided into two classes corresponding...
Acosta, D., Affolder, T., Akimoto, H., Akopian, A., Amaral, P., Ambrose, D., ...
We present a detailed examination of the heavy flavor content of the W+jet data sample collected with the Collider Detector at Fermilab during the 1992-1995 collider run at the Fermilab Tevatron....
Upsilon production and polarization in p(p)over-bar collisions at root s=1.8 TeV
Acosta, D., Affolder, T., Akimoto, H., Albrow, M.G., Amaral, P., Ambrose, D., ...
We report on measurements of the Y(1S), Y(2S), and Y(3S) differential cross sections (d(2)sigma/dp(T)dy)(\y\ lt 0.4) , as well as on the Ε(1S) polarization in p[(p)over bar] collisions at roots =...
Charged-particle multiplicity p(p)over-bar collisions at root s=1.8 TeV
Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amidei, D., ...
We report on a measurement of the mean charged-particle multiplicity of jets in dijet events with dijet masses in the range 80-630 GeV/c(2), produced at the Tevatron in p(p) over bar collisions with...
Charged jet evolution and the underlying event in proton- antiproton collisions at 1.8 TeV
Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amidei, D., ...
The growth and development of "charged particle jets" produced in proton-antiproton collisions at 1.8 TeV are studied over a transverse momentum range from 0.5 GeV/c to 50 GeV/c. A variety of leading...
Cross section and heavy quark composition of gamma+mu events produced in p(p)over-bar collisions
Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amidei, D., ...
We present a measurement of the cross section and the first measurement of the heavy flavor content of associated direct photon + muon events produced in hadronic collisions. These measurements come...
Double diffraction dissociation at the Fermilab Tevatron collider
Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amidei, D., ...
We present results from a measurement of double diffraction dissociation in pp collisions at the Fermilab Tevatron collider. The production cross section for events with a central pseudorapidity gap...
Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amendolia, S.R., ...
We present the first measurement of the ratio of branching fractions R equivalent to B(t → Wb)/B(t → Wq) from pa collisions at roots = 1.8 TeV. The data set corresponds to 109 pb(-1) of data...
Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amidei, D., ...
We report on a measurement of the mass dependence of the forward-backward charge asymmetry, A(FB), and production cross section d sigma /dM for e(+)e(-) pairs with mass M-ee gt 40 GeV/c(2). The data...
Measurement of the inclusive jet cross section in p(p)over-bar collisions at root s=1.8 TeV
Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amendolia, S.R., ...
We present results from the measurement of the inclusive jet cross section for jet transverse energies front 40 to 465 GeV in the pseudorapidity range 0.1 lt \[eta]\ lt 0.7. The results are based on...
Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amidei, D., ...
We report a measurement of the strong coupling constant, alpha(s)(M-Z), extracted from inclusive jet production in p (p) over bar collisions at root(s) = 1800 GeV. The QCD prediction for the...
Measurement of the top quark pT distribution
Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amendolia, S.R., ...
We have measured the p(T) distribution of top quarks that are pair produced in p (p) over bar collisions at roots = 1.8 TeV using a sample of t (t) over bar decays in which we observe a single...
Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amendolia, S.R., ...
We update the measurement of the t (t) over bar production cross section using the CDF detector at the Fermilab Tevatron. This measurement uses t (t) over bar decays to the final states e + nu + jets...
Measurement of the two-jet differential cross section in p(p)over-bar collisions at root s=1800 GeV
Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amendolia, S.R., ...
A measurement is presented of the two-jet differential cross section d(3)sigma /dE(T)d eta (1)d eta (2) at center of mass energy roots = 1800 GeV in p (p) over bar collisions. The results are based...
Observation of diffractive J/psi production at the Fermilab Tevatron
Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amidei, D., ...
We report the first observation of diffractive J/psi(→ mu (+)mu (-)) production in [(p)power bar] collisions at roots = 1.8 TeV. Diffractive events are identified by their rapidity gap signature....
Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amidei, D., ...
We have performed a search for gluinos ((g) over tilde) and scalar quarks ((q) over tilde) in a data sample of 84 pb(-1) of p (p) over bar collisions at roots = 1.8 TeV, recorded by the Collider...
Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amidei, D., ...
We present results of searches for diphoton resonances produced both inclusively and also in association with a vector boson (W or Z) using 100 pb(-1) of p (p) over bar collisions using the CDF...
Search for neutral supersymmetric Higgs bosons in p(p)over-bar collisions at root s=1.8 TeV
Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amendolia, S.R., ...
We present the results of a starch for neutral Higgs bosons produced in association with b quarks in p (p) over bar → b (b) over barb (b) over bar final states with 91 +/- 7 pb(-1) of p (p) over...
Search for new heavy particles in the WZ0 final state in ppover-bar collisions at root s=1.8 TeV
Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amidei, D., ...
We present the first general search for new heavy particles, X, which decay via X → WZ(0) → enu + jj as a function of M-X and Gamma(X) in p(p) over bar collisions at roots = 1.8 TeV. No evidence...
Search for new particles decaying to tt in pp collisions at square root s=1.8 TeV
Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amendolia, S.R., ...
We use 106 pb/sup -1/ of data collected with the Collider Detector at Fermilab to search for narrow-width, vector particles decaying to a top and an antitop quark. Model independent upper limits on...
Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amidei, D., ...
We present searches for quark-lepton compositeness and a heavy W' boson at high electron-neutrino transverse mass. We use similar to 110 pb(-1) of data collected in pp collisions at roots = 1.8 TeV...
Search for the supersymmetric partner of the top quark in p(p)over-bar collisions at root s=1.8 TeV
Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amendolia, S.R., ...
We report on a search for the supersymmetric partner of the top quark (top squark) produced in t (t) over bar events using 110 ph(-1) of p (p) over bar collisions at roots = 1.8 TeV recorded with the...
Searches for new physics in events with a photon and b-quark jet at CDF
Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amidei, D., ...
We have searched for evidence of physics beyond the standard model in events that include an energetic photon and an energetic b-quark jet, produced in 85 pb(-1) of (p) over barp collisions at 1.8...
Study of B-0 → J/psi K-(*)0 pi(+)pi(-) decays with the Collider detector at Fermilab
Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amidei, D., ...
We report a study of the decays B-0 → J/psiK((*)0) pi(+) pi(- ), which involve the creation of a u(u) over bar or d(d) over bar quark pair in addition to a (b) over bar → (c) over bar(c(s) over...
Tests of enhanced leading order QCD in W boson plus jets events from 1.8 TeV (p)over-barp collisions
Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amendolia, S.R., ...
We present a study of events with W bosons and hadronic jets produced in (p) over barp collisions at a center of mass energy of 1.8 TeV. The data consist of 51400 W→e nu decay candidates from 108...
THE CKM MATRIX AND THE UNITARITY TRIANGLE
Abbaneo,D., Ali,A., Amaral,P., Andreev,V., Artuso,M., Barberio,E., ...
This report contains the results of the Workshop on the CKM Unitarity Triangle, held at CERN on 13-16 February 2002 to study the determination of the CKM matrix from the available data of K, D, and B...
THE CKM MATRIX AND THE UNITARITY TRIANGLE
Abbaneo, D., Ali, A., Amaral, P., Andreev, V., Artuso, M., Barberio, E., ...
This report contains the results of the Workshop on the CKM Unitarity Triangle, held at CERN on 13-16 February 2002 to study the determination of the CKM matrix from the available data of K, D, and B...
Diffractive dijet production at root s=630 and 1800 GeV at the Fermilab tevatron
Acosta, D., Affolder, T., Akimoto, H., Albrow, M.G., Amaral, P., Ambrose, D., ...
We report a measurement of the diffractive structure function F-jj(D) of the antiproton obtained from a study of dijet events produced in association with a leading antiproton in (p) over barp...
Acosta, D., Affolder, T., Akimoto, H., Albrow, M.G., Amaral, P., Ambrose, D., ...
We present measurements of the B+ meson total cross section and differential cross section dsigma/dp(T). The measurements use a 98+/-4 pb(-1) sample of p (p) over bar collisions at roots = 1.8 TeV...
Measurement of the mass difference m(Ds+)-m(D+)at CDF II
Acosta, D., Affolder, T., Ahn, M.H., Akimoto, T., Albrow, M.G., Alcorn, B., ...
We present a measurement of the mass difference m(D-s(+))- m(D+), where both the D-s(+) and D+ are reconstructed in the phipi(+) decay channel. This measurement uses 11.6 pb(-1) of data collected by...
Search for new physics in photon-lepton events in p(p)over-bar collisions at root s=1.8 TeV
Acosta, D., Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., ...
We present the results of a search in p (p) over bar collisions at roots=1.8 TeV for anomalous production of events containing a photon with large transverse energy and a lepton (e or mu) with large...
Search for single-top-quark production in p(p)over-bar collisions at root s=1.8 TeV
Acosta, D., Affolder, T., Akimoto, H., Albrow, M.G., Amaral, P., Ambrose, D., ...
We search for standard model single-top-quark production in the W-gluon fusion and W-star channels using 106 pb(-1) of data from p(p) over bar collisions at roots = 1.8 TeV collected with the...
Search for the decay B-s →mu(+)mu(-)phi in p(p)over-bar collisions at root s=1.8 TeV
Acosta, D., Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., ...
We present a search for the flavor-changing neutral current decay B-s→mu(+)mu(-)phi in p (p) over bar collisions at roots=1.8 TeV, using 91 pb(-1) of data collected at the Collider Detector at...
Soft and hard interactions in p(p)over-bar collisions at root s=1800 and 630 GeV
Acosta, D., Affolder, T., Akimoto, H., Albrow, M.G., Amaral, P., Ambrose, D., ...
We present a study of p (p) over bar collisions at roots=1800 and 630 GeV collected using a minimum bias trigger by the CDF experiment in which the data set is divided into two classes corresponding...
Acosta, D., Affolder, T., Akimoto, H., Akopian, A., Amaral, P., Ambrose, D., ...
We present a detailed examination of the heavy flavor content of the W+jet data sample collected with the Collider Detector at Fermilab during the 1992-1995 collider run at the Fermilab Tevatron....
Upsilon production and polarization in p(p)over-bar collisions at root s=1.8 TeV
Acosta, D., Affolder, T., Akimoto, H., Albrow, M.G., Amaral, P., Ambrose, D., ...
We report on measurements of the Y(1S), Y(2S), and Y(3S) differential cross sections (d(2)sigma/dp(T)dy)(\y\ lt 0.4) , as well as on the Ε(1S) polarization in p[(p)over bar] collisions at roots =...
Charged-particle multiplicity p(p)over-bar collisions at root s=1.8 TeV
Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amidei, D., ...
We report on a measurement of the mean charged-particle multiplicity of jets in dijet events with dijet masses in the range 80-630 GeV/c(2), produced at the Tevatron in p(p) over bar collisions with...
Charged jet evolution and the underlying event in proton- antiproton collisions at 1.8 TeV
Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amidei, D., ...
The growth and development of "charged particle jets" produced in proton-antiproton collisions at 1.8 TeV are studied over a transverse momentum range from 0.5 GeV/c to 50 GeV/c. A variety of leading...
Cross section and heavy quark composition of gamma+mu events produced in p(p)over-bar collisions
Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amidei, D., ...
We present a measurement of the cross section and the first measurement of the heavy flavor content of associated direct photon + muon events produced in hadronic collisions. These measurements come...
Double diffraction dissociation at the Fermilab Tevatron collider
Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amidei, D., ...
We present results from a measurement of double diffraction dissociation in pp collisions at the Fermilab Tevatron collider. The production cross section for events with a central pseudorapidity gap...
Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amendolia, S.R., ...
We present the first measurement of the ratio of branching fractions R equivalent to B(t → Wb)/B(t → Wq) from pa collisions at roots = 1.8 TeV. The data set corresponds to 109 pb(-1) of data...
Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amidei, D., ...
We report on a measurement of the mass dependence of the forward-backward charge asymmetry, A(FB), and production cross section d sigma /dM for e(+)e(-) pairs with mass M-ee gt 40 GeV/c(2). The data...
Measurement of the inclusive jet cross section in p(p)over-bar collisions at root s=1.8 TeV
Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amendolia, S.R., ...
We present results from the measurement of the inclusive jet cross section for jet transverse energies front 40 to 465 GeV in the pseudorapidity range 0.1 lt \[eta]\ lt 0.7. The results are based on...
Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amidei, D., ...
We report a measurement of the strong coupling constant, alpha(s)(M-Z), extracted from inclusive jet production in p (p) over bar collisions at root(s) = 1800 GeV. The QCD prediction for the...
Measurement of the top quark pT distribution
Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amendolia, S.R., ...
We have measured the p(T) distribution of top quarks that are pair produced in p (p) over bar collisions at roots = 1.8 TeV using a sample of t (t) over bar decays in which we observe a single...
Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amendolia, S.R., ...
We update the measurement of the t (t) over bar production cross section using the CDF detector at the Fermilab Tevatron. This measurement uses t (t) over bar decays to the final states e + nu + jets...
Measurement of the two-jet differential cross section in p(p)over-bar collisions at root s=1800 GeV
Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amendolia, S.R., ...
A measurement is presented of the two-jet differential cross section d(3)sigma /dE(T)d eta (1)d eta (2) at center of mass energy roots = 1800 GeV in p (p) over bar collisions. The results are based...
Observation of diffractive J/psi production at the Fermilab Tevatron
Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amidei, D., ...
We report the first observation of diffractive J/psi(→ mu (+)mu (-)) production in [(p)power bar] collisions at roots = 1.8 TeV. Diffractive events are identified by their rapidity gap signature....
Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amidei, D., ...
We have performed a search for gluinos ((g) over tilde) and scalar quarks ((q) over tilde) in a data sample of 84 pb(-1) of p (p) over bar collisions at roots = 1.8 TeV, recorded by the Collider...
Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amidei, D., ...
We present results of searches for diphoton resonances produced both inclusively and also in association with a vector boson (W or Z) using 100 pb(-1) of p (p) over bar collisions using the CDF...
Search for neutral supersymmetric Higgs bosons in p(p)over-bar collisions at root s=1.8 TeV
Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amendolia, S.R., ...
We present the results of a starch for neutral Higgs bosons produced in association with b quarks in p (p) over bar → b (b) over barb (b) over bar final states with 91 +/- 7 pb(-1) of p (p) over...
Search for new heavy particles in the WZ0 final state in ppover-bar collisions at root s=1.8 TeV
Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amidei, D., ...
We present the first general search for new heavy particles, X, which decay via X → WZ(0) → enu + jj as a function of M-X and Gamma(X) in p(p) over bar collisions at roots = 1.8 TeV. No evidence...
Search for new particles decaying to tt in pp collisions at square root s=1.8 TeV
Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amendolia, S.R., ...
We use 106 pb/sup -1/ of data collected with the Collider Detector at Fermilab to search for narrow-width, vector particles decaying to a top and an antitop quark. Model independent upper limits on...
Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amidei, D., ...
We present searches for quark-lepton compositeness and a heavy W' boson at high electron-neutrino transverse mass. We use similar to 110 pb(-1) of data collected in pp collisions at roots = 1.8 TeV...
Search for the supersymmetric partner of the top quark in p(p)over-bar collisions at root s=1.8 TeV
Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amendolia, S.R., ...
We report on a search for the supersymmetric partner of the top quark (top squark) produced in t (t) over bar events using 110 ph(-1) of p (p) over bar collisions at roots = 1.8 TeV recorded with the...
Searches for new physics in events with a photon and b-quark jet at CDF
Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amidei, D., ...
We have searched for evidence of physics beyond the standard model in events that include an energetic photon and an energetic b-quark jet, produced in 85 pb(-1) of (p) over barp collisions at 1.8...
Study of B-0 → J/psi K-(*)0 pi(+)pi(-) decays with the Collider detector at Fermilab
Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amidei, D., ...
We report a study of the decays B-0 → J/psiK((*)0) pi(+) pi(- ), which involve the creation of a u(u) over bar or d(d) over bar quark pair in addition to a (b) over bar → (c) over bar(c(s) over...
Tests of enhanced leading order QCD in W boson plus jets events from 1.8 TeV (p)over-barp collisions
Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amendolia, S.R., ...
We present a study of events with W bosons and hadronic jets produced in (p) over barp collisions at a center of mass energy of 1.8 TeV. The data consist of 51400 W→e nu decay candidates from 108...