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...
Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, Allaby, J, ...
The reactions gamma gamma -> pi^+pi^-pi^+pi^- and gamma gamma -> pi^+pi^0pi^-pi^0 are studied with the L3 detector at LEP in a data sample collected at centre-of-mass energies from 161GeV to 209GeV...
Ackerstaff, K, Alexander, G, Allison, J, Altekamp, N, Anderson, K J, Anderson, S, ...
The inclusive production of prompt photons with energy above 10 GeV is measured using the OPAL detector in hadronic Z^0 decays at LEP. In contrast to previous measurements, the prompt photons were...
Measurement of f(c -> D^*+ X), f(b -> D^*+ X) and Gamma_cc(bar)/Gamma_had using D^*+/- Mesons (2008)
Al, K Ackerstaff Et, Ackerstaff, K, Alexander, G, Allison, J, Altekamp, N, Anderson, K J, ...
The production rates of D^*+/- mesons in charm and bottom events at centre-of-mass energies of about 91 GeV and the partial width of primary cc(bar) pairs in hadronic Z^0 decays have been measured at...
A Measurement of the B_s^0 Lifetime using Reconstructed D_s^- Mesons (2008)
Al, K Ackerstaff Et, Ackerstaff, K, Alexander, G, Allison, J, Altekamp, N, Anderson, K J, ...
We report a measurement of the B^0_s meson lifetime from B_s^0 -> D^-_s X decays, where D_s^- mesons are reconstructed in the D_s^- -> phi pi^- and D_s^- -> K^{*0} K^- decay channels. From...
Al, K Ackerstaff Et, Alexander, G, Allison, J, Altekamp, N, Anderson, K J, Anderson, S, ...
Production of events with hadronic and leptonic final states has been measured in e^+e^- collisions at centre-of-mass energies of 130-172 GeV, using the OPAL detector at LEP. Cross-sections and...
Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...
Context. Primary cosmic rays experience multiple deflections in the non-uniform galactic and heliospheric magnetic fields which may generate anisotropies. Aims. A study of anisotropies in the energy...
Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, Allaby, James V, ...
The K^0_SK^+-\pi-+ final state in two-photon collisions is studied with the L3 detector at LEP at e+e- centre-of-mass energies from 183 to 209 GeV with an integrated luminosity of 664.6 pb-1. The...
The Solar Flare of the 14th of July 2000 (L3+C detector results) (2007)
Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, ...
Several experiments have reported observations on possible correlations between the flux of high energy muons and intense solar flares. If confirmed, these observations would have significant...
The solar flare of the 14th of July 2000 : L3+C detector results (2007)
Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...
Aims.Several experiments have reported observations on possible correlations between the flux of high energy muons and intense solar flares. If confirmed, these observations would have significant...
Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...
Measurements of inclusive production of the Lambda, Xi(-) and Xi*(1530) baryons in two-photon collisions with the L3 detector at LEP are presented. The inclusive differential cross sections for...
Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...
Measurements of inclusive production of the Lambda, Xi(-) and Xi*(1530) baryons in two-photon collisions with the L3 detector at LEP are presented. The inclusive differential cross sections for...
Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...
The (KSK +/-)-K-0 pi(-/+) final state in two-photon collisions is studied with the L3 detector at LEP at e(+)e(-) centre- of- mass energies from 183 to 209 GeV with an integrated luminosity of 664.6...
A search for flaring Very-High-Energy cosmic-ray sources with the L3+C muon spectrometer (2006)
Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, ...
The L3+C muon detector at the Cern electron-position collider, LEP, is used for the detection of very-high-energy cosmic \gamma-ray sources through the observation of muons of energies above 20, 30,...
Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, Allaby, James V, ...
Measurements of inclusive production of the Lambda, Xi- and Xi*(1530) baryons in two-photon collisions with the L3 detector at LEP are presented. The inclusive differential cross sections for Lambda...
The BaBar drift chamber (2006)
Sciolla, G., Bajic, A., Bard, R., Beaulieu, M., Blinov, E., Borsato, E., ...
Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, Allaby, James V, ...
Hadron production and lepton-pair production in e+e- collisions are studied with data collected with the L3 detector at LEP at centre-of-mass energies sqrt{s}=192-208GeV. Using a total integrated...
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, 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...
Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...
The L3+C muon detector at the CERN electron-positron collider, LEP, is used for the detection of very-high-energy cosmic gamma-ray sources through the observation of muons of energies above 20, 30,...
Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...
The reactions gamma gamma -> pi(+)pi(-)pi(+)pi(-) and gamma gamma -> pi(+)pi(0)pi(-)pi(0) are studied with the L3 detector at LEP in a data sample collected at centre-of-mass energies from 161 GeV to...
Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...
Hadron production and lepton-pair production in e(+)e(-) collisions are studied with data collected with the L3 detector at LEP at centre-of-mass energies root s = 192-208 GeV. Using a total...
Measurement of the mass and the width of the W boson at LEP (2006)
Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...
The mass and the total decay width of the W boson are measured with the L3 detector at the LEP e(+)e(-) collider using W-boson pairs produced in 0.7 fb(-1) of data collected at centre-of-mass...
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...
TIME-RESOLVED RECOMBINATION DYNAMICS OF IBr$^{-}$(CO$_2$)$_n$ CLUSTERS (2006)
Martin, J. P., Dribinski, V., Barbera, J., Thompson, M. A., Parson, R., Lineberger, W. Carl, ...
Author Institution: JILA/Department of Chemistry and Biochemistry, University of Colorado, Boulder, CO 80309; Department of Physics and Astronomy, University of Aarhus, Aarhus, Denmark
Measurement of the mass and the width of the W boson at LEP (2005)
Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, Allaby, James V, ...
The mass and the total decay width of the W boson are measured with the L3 detector at the LEP e+e- collider using W-boson pairs produced in 0.7/fb of data collected at centre-of-mass energies...
Precision Electroweak Measurements on the Z Resonance (2005)
Schael, S, Barate, R, Brunelière, R, Buskulic, Damir, De Bonis, I, Décamp, D, ...
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...
Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, Allaby, James V, ...
The cross section for open-beauty production in photon-photon collisions is measured using the whole high-energy and high-luminosity data sample collected by the L3 detector at LEP. This corresponds...
Measurement of the photon structure function F2 gamma with the L3 detector at LEP (2005)
Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, Allaby, James V, ...
The e+e- -> e+e- hadrons reaction, where one of the two electrons is detected in a low polar-angle calorimeter, is analysed in order to measure the hadronic photon structure function F2gamma . The...
Measurement of the mass of the Z boson and the energy calibration of LEP (2005)
Arnaudon, L., Assmann, R., Billan, J., Birr, W., Blondel, A., Bobbink, G., ...
Measurement of Branching Fractions of $\tau$ Hadronic Decays (2005)
Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, Allaby, James V, ...
Using data collected with the L3 detector at LEP at the Z peak, the branching fractions of the $\tau$ lepton into the hadronic final states, $h^- n\pi^0 \nu(n=0,1,2, >= 3)$ and $h^-h^+h^- n\pi^0 \nu$...
Neutral-current four-fermion production in $e^{+}e^{-}$ interactions at LEP (2005)
Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, Allaby, James V, ...
Neutral-current four-fermion production, e+e- -> ffff is studied in 0.7/fb of data collected with the L3 detector at LEP at centre-of-mass energies root(s)=183-209GeV. Four final states 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 $B\to\phi K*$ (2005)
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...
Z-boson production with two unobserved, back-to-back, hard photons at LEP (2005)
Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, Allaby, James V, ...
The double-radiative process e+e- -> Z gamma gamma -> q q~ gamma gamma, where the two hard photons escape detection at low polar angles into opposite directions, is studied in 0.62/fb of data...
Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, Allaby, James V, ...
Exclusive rho+rho- production in two-photon collisions between a quasi-real photon, gamma, and a mid-virtuality photon, gamma*, is studied with data collected at LEP at centre-of-mass energies...
Compton Scattering of Quasi-Real Virtual Photons at LEP (2005)
Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, Allaby, James V, ...
Compton scattering of quasi-real virtual photons, gamma e+- -> gamma e+-, is studied with 0.6fb-1 of data collected by the L3 detector at the LEP e+e- collider at centre-of-mass energies...
Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, Allaby, James V, ...
The shadowing of high-energy cosmic rays by the Moon has been observed with a significance of 9.4 standard deviations with the L3+C muon spectrometer at CERN. A significant effect of the Earth...
Neutral heavy lepton analysis (2005)
Akrawy, M Z, Alexander, Gideon, Allison, J, Allport, P P, Anderson, K J, Armitage, J C, ...
Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, Allaby, James V, ...
Data collected at LEP at centre-of-mass energies \sqrt(s) = 189 - 209 GeV are used to study correlations of the spin of W bosons using e+e- -> W+W- -> lnqq~ events. Spin correlations are favoured by...
Search for an invisibly-decaying Higgs boson at LEP (2005)
Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, Allaby, James V, ...
A search for a Higgs boson produced in e^+e^- collisions in association with a Z boson and decaying into invisible particles is performed. Data collected at LEP with the L3 detector at centre-of-mass...
Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, Allaby, James V, ...
Exclusive rho^0 rho^0 production in two-photon collisions between a quasi-real and a mid-virtuality photon is studied with data collected at LEP at centre-of-mass energies 183GeV < sqrt{s} < 209GeV...
Inclusive Jet Production in Two-Photon Collisions at LEP (2004)
Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, Allaby, James V, ...
Inclusive jet production, e+e- -> e+e- \ee$ jet X, is studied using 560/pb of data collected at LEP with the L3 detector at centre-of-mass energies between 189 and 209 GeV. The inclusive differential...
Measurement of the Cross Section of W-boson pair production at LEP (2004)
Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, Allaby, James V, ...
The cross section of W-boson pair-production is measured with the L3 detector at LEP. In a data sample corresponding to a total luminosity of 629.4/pb, collected at centre-of-mass energies ranging...
Simulation of Special Bubble Detectors for PICASSO (2004)
Barnabe-Heider, M., Behnke, E., Clark, K., Di Marco, M., Doane, P., ...
The PICASSO project is a cold dark matter (CDM) search experiment relying on the superheated droplet technique. The detectors use superheated freon liquid droplets (active material) dispersed and...
Search for Branons at LEP (2004)
Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, Allaby, James V, ...
We search, in the context of extra-dimension scenarios, for the possible existence of brane fluctuations, called branons. Events with a single photon or a single Z-boson and missing energy and...
Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, Allaby, James V, ...
Exclusive rho^+ rho^- production in two-photon collisions involving a single highly-virtual photon is studied with data collected at LEP at centre-of-mass energies 89 GeV < \sqrt{s} < 209 GeV with a...
Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, Allaby, James V, ...
The process e^+e^- --> Z gamma, where the Z boson decays into hadrons or neutrinos, is studied with data collected with the L3 detector at LEP at centre-of-mass energies from 189 GeV up to 209 GeV....
Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, Allaby, James V, ...
In this Report, QCD results obtained from a study of hadronic event structure in high energy e^+e^- interactions with the L3 detector are presented. The operation of the LEP collider at many...
Measurement of the Atmospheric Muon Spectrum from 20 to 3000 GeV (2004)
Achard, P, Adriani, O, Aguilar-Benítez, M, Van Den Ancker, M E, Alcaraz, J, Alemanni, G, ...
The absolute muon flux between 20 GeV and 300 GeV is measured with the L3 magnetic muon spectrometer for zenith angles ranging from 0 degree to 58 degrees. Due to the large exposure of about 150 m2...
Search for Anomalous Couplings in the Higgs Sector at LEP (2004)
Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, Allaby, James V, ...
Anomalous couplings of the Higgs boson are searched for through the processes e^+ e^- -> H gamma, e^+ e^- -> e^+ e^- H and e^+ e^- -> HZ. The mass range 70 GeV < m_H < 190 GeV is explored using 602...
Inclusive Lambda Production in Two-Photon Collisions at LEP (2004)
Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, Allaby, James V, ...
The reactions e^+e^- -> e^+e^- Lambda X and e^+e^- -> e^+e^- Lambda X are studied using data collected at LEP with the L3 detector at centre-of-mass energies between 189 and 209 GeV. Inclusive...
Muon-Pair and Tau-Pair Production in Two-Photon Collisions at LEP (2004)
Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, Allaby, James V, ...
The QED processes e^+ e^- -> e^+ e^- \mu^+ \mu^- and e^+ e^- -> e^+ e^- \tau^+ \tau^- are studied with the L3 detector at LEP using an untagged data sample collected at centre-of-mass energies 161...
Measurement of Triple-Gauge-Boson Couplings of the W Boson at LEP (2004)
Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, Allaby, James V, ...
The CP-conserving triple-gauge-boson couplings, g1Z, kappa_gamma, lambda_gamma, g5Z, kappa_Z and lambda_Z are measured using hadronic and semi-leptonic W-pair events selected in 629 pb-1 of data...
Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, Allaby, James V, ...
Events from the e+e- -> Zgamma process with hard initial state radiation collected with the L3 detector at centre-of-mass energies between 183 GeV and 209 GeV are used to measure the mass of the Z...