CERN Accelerating science

CERN Document Server 139 record trovati  1 - 10successivofine  salta al record: La ricerca ha impiegato 0.67 secondi. 
1.
Search for Charged Higgs bosons: Combined Results Using LEP data / ALEPH, DELPHI, L3 and OPAL Collaborations
The four LEP collaborations, ALEPH, DELPHI, L3 and OPAL, have searched for pair-produced charged Higgs bosons in the framework of Two Higgs Doublet Models (2HDMs). The data of the four experiments are statistically combined. [...]
arXiv:1301.6065; CERN-PH-EP-2012-369; CERN-PH-EP-2012-369; LHWG-Note-2012-01; ALEPH-2012-001-PHYSICS-2012-001; DELPHI-2012-001-PHYS-953; L3-Note-2835; OPAL-PR433.- Geneva : CERN, 2013 - 18 p. - Published in : Eur. Phys. J. C 73 (2013) 2463 Draft (restricted): PDF; Fulltext: CERN-PH-EP-2012-369 - PDF; arXiv:1301.6065 - PDF; External link: Preprint
2.
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
3.
Study of Spin and Decay-Plane Correlations of W Bosons in the $e^{+} e^{-} \to W^{+} W^{-}$ Process at LEP / L3 Collaboration
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 data, and found to agree with the Standard Model predictions. [...]
hep-ex/0501036; CERN-EP-2003-072; CERN-EP-2003-072; CERN-L3-282.- Geneva : CERN, 2005 - 16 p. - Published in : Eur. Phys. J. C 40 (2005) 333-341 Fulltext: arXiv:hep-ex_0501036 - PDF; ep-2003-072 - PDF; External link: Preprint - Please contact the library if you need to access this document.
4.
Inclusive Jet Production in Two-Photon Collisions at LEP / L3 Collaboration
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 cross section is measured using a k_t jet algorithm as a function of the jet transverse momentum, pt, in the range 3<pt<50 GeV for a pseudorapidity, eta, in the range -1<eta<1. [...]
hep-ex/0410012; CERN-EP-2003-055; CERN-EP-2003-055; CERN-L3-275.- Geneva : CERN, 2004 - 16 p. - Published in : Phys. Lett. B 602 (2004) 157-166 Fulltext: S0370269304014170 - XML; cer-002486354 - PDF; arXiv:hep-ex_0410012 - PDF; External links: Fulltext; Rivet analyses reference - Please contact the library if you need to access this document.
5.
Study of the $e^+ e^- \to Z \gamma$ Process at LEP and Limits on Triple Neutral-Gauge-Boson Couplings / L3 Collaboration
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. The cross sections are measured and found to be in agreement with the Standard Model predictions. [...]
hep-ex/0407012; CERN-PH-EP-2004-014; CERN-LE-288; CERN-PH-EP-2004-014.- Geneva : CERN, 2004 - 18 p. - Published in : Phys. Lett. B 597 (2004) 119-130 Fulltext: 0407012 - PDF; arXiv:hep-ex_0407012 - PDF; External link: Preprint - Please contact the library if you need to access this document.
6.
Search for Anomalous Couplings in the Higgs Sector at LEP / L3 Collaboration
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 pb^-1 of integrated luminosity collected with the L3 detector at LEP at centre-of-mass energies sqrt(s)=189-209 GeV. [...]
hep-ex/0403037; CERN-PH-EP-2004-002; CERN-EP-PH-2004-02; CERN-L3-285; CERN-PH-EP-2004-002.- Geneva : CERN, 2004 - 19 p. - Published in : Phys. Lett. B 589 (2004) 89-102 Fulltext: arXiv:hep-ex_0403037 - PDF; S0370269304005040 - XML; External link: Preprint - Please contact the library if you need to access this document.
7.
Muon-Pair and Tau-Pair Production in Two-Photon Collisions at LEP / L3 Collaboration
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 GeV < sqrt{s} < 209 GeV. The tau-pairs are observed through the associated decay of one tau into e\nu\nu and the other into \pi\pi\nu . [...]
hep-ex/0402037; CERN-EP-2003-080; CERN-EP-2003-080; CERN-L3-281.- Geneva : CERN, 2004 - 10 p. - Published in : Phys. Lett. B 585 (2004) 53-62 Fulltext: arXiv:hep-ex_0402037 - PDF; 0402037 - PDF; External links: Fulltext; Rivet analyses reference - Please contact the library if you need to access this document.
8.
Measurement of Triple-Gauge-Boson Couplings of the W Boson at LEP / L3 Collaboration
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 collected at LEP with the L3 detector at centre-of-mass energies between 189 and 209 GeV. The results are combined with previous L3 measurements based on data collected at lower centre-of-mass energies and with the results from single-W production and from events with a single-photon and missing energy. [...]
hep-ex/0402036; CERN-EP-2003-086; CERN-EP-2003-086; CERN-L3-284.- Geneva : CERN, 2004 - 20 p. - Published in : Phys. Lett. B 586 (2004) 151-166 Fulltext: 0402036 - PDF; arXiv:hep-ex_0402036 - PDF; External link: Preprint - Please contact the library if you need to access this document.
9.
Inclusive Lambda Production in Two-Photon Collisions at LEP / L3 Collaboration
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 differential cross sections are measured as a function of the lambda transverse momentum, p_t, and pseudo-rapidity, eta, in the ranges 0.4 GeV < p_t < 2.5 GeV and |\eta| < 1.2. [...]
hep-ex/0402035; CERN-EP-2003-085; CERN-EP-2003-085; CERN-L3-283.- Geneva : CERN, 2004 - 16 p. - Published in : Phys. Lett. B 586 (2004) 140-150 Fulltext: arXiv:hep-ex_0402035 - PDF; 0402035 - PDF; External link: Preprint - Please contact the library if you need to access this document.
10.
Flavour Independent Search for Neutral Higgs Bosons at LEP / L3 Collaboration
A flavour independent search for the CP-even and CP-odd neutral Higgs bosons h and A is performed in 624/pb of data collected with the L3 detector at LEP at centre-of-mass energies between 189 and 209GeV. Higgs boson production through the e^+e^- -> Z h and the e^+e^- ->h A processes is considered and decays of the Higgs bosons into hadrons are studied. [...]
hep-ex/0402003; CERN-EP-2003-069; CERN-EP-2003-069; CERN-L3-280.- Geneva : CERN, 2004 - 19 p. - Published in : Phys. Lett. B 583 (2004) 14-27 Fulltext: arXiv:hep-ex_0402003 - PDF; 0402003 - PDF; S0370269304000292 - XML; External link: Preprint - Please contact the library if you need to access this document.

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