CERN Accelerating science

CERN Document Server 84 записей найдено  1 - 10следующийконец  перейти к записи: Поиск длился 0.51 секунд. 
1.
Precision electroweak measurements on the $Z$ resonance / ALEPH Collaboration
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 million Z decays accumulated by the ALEPH, DELPHI, L3 and OPAL experiments at LEP, and 600 thousand Z decays by the SLD experiment using a polarised beam at SLC. [...]
hep-ex/0509008; SLAC-R-774; CERN-PH-EP-2005-041; SLAC-R-774; CERN-L3-304.- Geneva : CERN, 2006 - 302 p. ALEPH Papers - Published in : Phys. Rep. 427 (2006) 257 Fulltext: phep-2005-041 - PDF; arXiv:hep-ex_0509008 - PDF; External link: SLAC Document Server
2.
Compton Scattering of Quasi-Real Virtual Photons at LEP / L3 Collaboration
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 root(s')=189-209GeV. About 4500 events produced by the interaction of virtual photons emitted by e+- of one beam with e-+ of the opposite beam are collected for effective centre-of-mass energies of the photon-electron and photon-positron systems in the range from root(s')= 35GeV up to root(s')=175GeV, the highest energy at which Compton scattering was ever probed. [...]
hep-ex/0504012; CERN-PH-EP-2005-011; CERN-L3-298; CERN-PH-EP-2005-011.- Geneva : CERN, 2005 - 19 p. - Published in : Phys. Lett. B 616 (2005) 145-158 Fulltext: arXiv:hep-ex_0504012 - PDF; cer-002518146 - PDF; External link: Preprint - Please contact the library if you need to access this document.
3.
Search for the Standard Model Higgs Boson at LEP / ALEPH Collaboration
The four LEP collaborations, ALEPH, DELPHI, L3 and OPAL, have collected a total of 2461 pb-1 of e+e- collision data at centre-of-mass energies between 189 and 209 GeV. The data are used to search for the Standard Model Higgs boson. [...]
hep-ex/0306033; CERN-EP-2003-011; CERN-EP-2003-011; CERN-L3-271.- Geneva : CERN, 2003 - 23 p. - Published in : Phys. Lett. B 565 (2003) 61-75 Fulltext: S0370269303006142 - XML; arXiv:hep-ex_0306033 - PDF; ep-2003-011 - PDF; External link: Preprint - Please contact the library if you need to access this document.
4.
Search for Single Top Production at LEP / L3 Collaboration
Single top production in e^+e^- annihilations is searched for in data collected by the L3 detector at centre-of-mass energies from 189 to 209 GeV, corresponding to a total integrated luminosity of 634 pb-1. Investigating hadronic and semileptonic top decays, no evidence of single top production at LEP is obtained and upper limits on the single top cross section as a function of the centre-of-mass energy are derived. [...]
hep-ex/0210041; CERN-EP-2002-065; CERN-EP-2002-065; CERN-L3-260.- Geneva : CERN, 2002 - 14 p. - Published in : Phys. Lett. B 549 (2002) 290-300 Fulltext: arXiv:hep-ex_0210041 - PDF; ep-2002-065 - PDF; S0370269302029337 - XML; External link: Preprint - Please contact the library if you need to access this document.
5.
Search for Neutral Higgs Bosons of the Minimal Supersymmetric Standard Model in $e^{+}e^{-}$ Interactions at $\sqrt{s}$ up to 209 GeV / L3 Collaboration
A search for the lightest neutral CP-even and neutral CP-odd Higgs bosons of the Minimal Supersymmetric Standard Model is performed using 216.6 pb-1 of data collected with the L3 detector at LEP at centre-of-mass energies between 203 and 209 GeV. No indication of a signal is found. [...]
hep-ex/0208042; CERN-EP-2002-066; CERN-EP-2002-066; CERN-L3-259.- Geneva : CERN, 2002 - 18 p. - Published in : Phys. Lett. B 545 (2002) 30-42 Fulltext: ep-2002-066 - PDF; arXiv:hep-ex_0208042 - PDF; External link: Preprint - Please contact the library if you need to access this document.
6.
Production of Single W Bosons at LEP and Measurement of $WW\gamma$ Gauge Coupling Parameters / L3 Collaboration
\documentclass[12pt,a4paper,dvips]{article} \begin{document} \begin{center} {Production of Single W Bosons at LEP and \\ Measurement of \boldmath$\rm W W \gamma$ Gauge Coupling Parameters} \end{center} \begin{abstract} Single W boson production in electron-positron collisions is studied with the L3 detector at centre-of-mass energies between $192\mathrm{\ Ge\kern -0.1em V}$ and $209\mathrm{\ Ge\kern -0.1em V}$. Events with two acoplanar hadronic jets or a single energetic lepton are selected, and the single W cross section is measured [...]
hep-ex/0209015; CERN-EP-2002-064; CERN-EP-2002-064; CERN-L3-258.- Geneva : CERN, 2002 - 20 p. - Published in : Phys. Lett. B 547 (2002) 151-163 Fulltext: arXiv:hep-ex_0209015 - PDF; S0370269302027685 - XML; ep-2002-064 - PDF; External link: Preprint - Please contact the library if you need to access this document.
7.
Measurement of Bose-Einstein Correlations in $e^{+}e^{-}\to W^{+}W^{-}$ Events at LEP / L3 Collaboration
Bose-Einstein correlations in W-pair production at LEP are investigated in a data sample of 629 pb$^{-1}$ collected by the L3 detector at $\sqrt{s}=$ 189--209\,GeV. Bose-Einstein correlations between pions within a W decay are observed and found to be in good agreement with those in light-quark Z decay. [...]
hep-ex/0209016; CERN-EP-2002-062; CERN-EP-2002-062; CERN-L3-257.- Geneva : CERN, 2002 - 16 p. - Published in : Phys. Lett. B 547 (2002) 139-150 Fulltext: arXiv:hep-ex_0209016 - PDF; ep-2002-062 - PDF; External link: Preprint - Please contact the library if you need to access this document.
8.
The $e^+ e^- \to Z\gamma\gamma \to q\overline{q}\gamma\gamma$ Reaction at LEP and Constraints on Anomalous Quartic Gauge Boson Couplings / L3 Collaboration
The cross section of the process e^+ e^- -> Z \gamma\gamma -> qq~ \gamma \gamma is measured with 215 pb^-1 of data collected with the L3 detector during the final LEP run at centre-of-mass energies around 205 GeV and 207 GeV. No deviation from the Standard Model expectation is observed. [...]
hep-ex/0206050; CERN-EP-2002-034; CERN-EP-2002-034; CERN-L3-255.- Geneva : CERN, 2002 - 14 p. - Published in : Phys. Lett. B 540 (2002) 43-51 Fulltext: ep-2002-034_title - PS.GZ; ep-2002-034 - PDF; arXiv:hep-ex_0206050 - PDF; External link: Preprint - Please contact the library if you need to access this document.
9.
Measurement of Genuine Three-Particle Bose-Einstein Correlations in Hadronic Z decay / L3 Collaboration
We measure three-particle Bose-Einstein correlations in hadronic Z decay with the L3 detector at LEP. Genuine three-particle Bose-Einstein correlations are observed. [...]
hep-ex/0206051; CERN-EP-2002-035; CERN-EP-2002-035; CERN-L3-256.- Geneva : CERN, 2002 - 16 p. - Published in : Phys. Lett. B 540 (2002) 185-198 Fulltext: ep-2002-035 - PDF; arXiv:hep-ex_0206051 - PDF; External link: Preprint - Please contact the library if you need to access this document.
10.
Determination of $\alpha_s$ from Hadronic Event Shapes in $e^+ e^-$ Annihilation at $192 \le \sqrt{s} \le 208$ GeV / L3 Collaboration
Results are presented from a study of the structure of high energy hadronic events recorded by the L3 detector at sqrt(s)>192 GeV. The distributions of several event shape variables are compared to resummed O(alphaS^2) QCD calculations. [...]
hep-ex/0206052; CERN-EP-2002-015; CERN-EP-2002-015; CERN-L3-254.- Geneva : CERN, 2002 - 18 p. - Published in : Phys. Lett. B 536 (2002) 217-228 Fulltext: ep-2002-015_bw_evol_bw - EPS; ep-2002-015_bw_gn_194_bw - EPS; ep-2002-015_figure_20txt1 - PDF; ep-2002-015 - PDF; ep-2002-015_alsfit - EPS; ep-2002-015_1thrust_evol_bw - EPS; ep-2002-015_als_l3_oct01_1_bw - EPS; ep-2002-015_bw_gn_206_bw - EPS; ep-2002-015_bw_gn_201_bw - EPS; ep-2002-015_als_l3_oct01_3_bw - EPS; arXiv:hep-ex_0206052 - PDF; External link: Preprint - Please contact the library if you need to access this document.

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