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CERN Document Server 586 notices trouvées  1 - 10suivantfin  aller vers la notice: La recherche a duré 0.61 secondes. 
1.
Measurement of the electron structure function Fe2e2 at LEP energies / Abdallah, J (Paris U., VI-VII) ; Abreu, P (LIP, Lisbon) ; Adam, W (Vienna, OAW) ; Adzic, P (Democritos Nucl. Res. Ctr.) ; Albrecht, T (Karlsruhe U., EKP) ; Alemany-Fernandez, R (CERN) ; Allmendinger, T (Karlsruhe U., EKP) ; Allport, P P (Liverpool U.) ; Amaldi, U (INFN, Milan Bicocca ; Milan Bicocca U.) ; Amapane, N (INFN, Turin ; Turin U.) et al. /DELPHI
The hadronic part of the electron structure function F2e has been measured for the first time, using e+e− data collected by the DELPHI experiment at LEP, at centre-of-mass energies of s=91.2–209.5 GeV . The data analysis is simpler than that of the measurement of the photon structure function. [...]
2014 - 9 p. - Published in : Phys. Lett. B 737 (2014) 39-47 Elsevier Open Access article: PDF;
2.
Measurement of ψ(2S)ψ(2S) polarisation in pppp collisions at s=7s=7 TeV / LHCb collaboration
The polarisation of prompt ψ(2S)ψ(2S) mesons is measured by performing an angular analysis of ψ(2S)μ+μψ(2S)μ+μ decays using proton-proton collision data, corresponding to an integrated luminosity of 1.0 fb11, collected by the LHCb detector at a centre-of-mass energy of 7 TeV. The polarisation is measured in bins of transverse momentum pTpT and rapidity yy in the kinematic region 3.5<pT<153.5<pT<15 GeV/c/c and 2.0<y<4.52.0<y<4.5, and is compared to theoretical models. [...]
arXiv:1403.1339; LHCB-PAPER-2013-067; CERN-PH-EP-2014-029; CERN-PH-EP-2014-029; LHCB-PAPER-2013-067.- Geneva : CERN, 2014-05-20 - 22 p. - Published in : Eur. Phys. J. C 74 (2014) 2872 Article from SCOAP3: PDF; Fulltext: PDF; Fulltext from Publisher: PDF; Related data file(s): ZIP; Springer Open Access article: PDF; External link: Preprint
3.
Measurement of resonant and CPCP components in ¯B0sJ/ψπ+π¯¯¯¯B0sJ/ψπ+π decays / LHCb Collaboration
The resonant structure of the decay ¯B0sJ/ψπ+π¯¯¯¯B0sJ/ψπ+π is studied using data corresponding to 3 fb11 of integrated luminosity from pppp collisions by the LHC and collected by the LHCb detector. Five interfering π+ππ+π states are required to describe the decay: f0(980), f0(1500), f0(1790), f2(1270)f0(980), f0(1500), f0(1790), f2(1270), and f2(1525). [...]
arXiv:1402.6248; LHCB-PAPER-2013-069; CERN-PH-EP-2014-024; LHCB-PAPER-2013-069; CERN-PH-EP-2014-024.- Geneva : CERN, 2014-05-14 - 21 p. - Published in : Phys. Rev. D 89 (2014) 092006 APS Open Access article: PDF; Fulltext: PDF; Related data file(s): ZIP; External link: Preprint
4.
Measurement of charged particle multiplicities and densities in pp collisions at s = 7 TeV in the forward region / LHCb collaboration
Charged particle multiplicities are studied in proton-proton collisions in the forward region at a centre-of-mass energy of s=7TeV with data collected in 2010 by the LHCb detector. The forward spectrometer allows access to a kinematic range of 2.0<η<4.8 in pseudorapidity, momenta down to 2GeV/c and transverse momenta down to 0.2GeV/c. [...]
arXiv:1402.4430; CERN-PH-EP-2014-023; LHCB-PAPER-2013-070; CERN-PH-EP-2014-023; LHCB-PAPER-2013-070.- Geneva : CERN, 2014-05-24 - 23 p. - Published in : Eur. Phys. J. C (2014) 74:2888 Article from SCOAP3: PDF; Fulltext: PDF; Fulltext from Publisher: PDF; Related data file(s): ZIP; Springer Open Access article: PDF; External link: Rivet analyses reference
5.
A study of CP violation in B±DK± and B±Dπ± decays with DK0SK±π final states / LHCb Collaboration
A first study of CP violation in the decay modes B±[K0SK±π]Dh± and B±[K0SKπ±]Dh±, where h labels a K or π meson and D labels a D0 or ¯D0 meson, is performed. The analysis uses the LHCb data set collected in pp collisions, corresponding to an integrated luminosity of 3 fb1. [...]
arXiv:1402.2982; CERN-PH-EP-2014-017; LHCB-PAPER-2013-068; CERN-PH-EP-2014-017; LHCB-PAPER-2013-068.- Geneva : CERN, 2014-06-02 - 10 p. - Published in : Phys. Lett. B 733 (2014) 36-45 Article from SCOAP3: PDF; Elsevier Open Access article: PDF; Fulltext: S037026931400207X - XML; arXiv:1402.2982 - PDF; Related data file(s): ZIP; External link: Preprint
6.
Measurements of the B+, B0, B0s meson and Λ0b baryon lifetimes / LHCb collaboration
Measurements of b-hadron lifetimes are reported using pp collision data, corresponding to an integrated luminosity of 1.0fb1, collected by the LHCb detector at a centre-of-mass energy of 7Tev. Using the exclusive decays B+J/ψK+, B0J/ψK(892)0, B0J/ψK0S, Λ0bJ/ψΛ and B0sJ/ψϕ the average decay times in these modes are measured to be τB+J/ψK+ = 1.637± 0.004 ± 0.003 ps, τB0J/ψK(892)0 = 1.524± 0.006 ± 0.004 ps, τB0J/ψK0S = 1.499± 0.013 ± 0.005 ps, τΛ0bJ/ψΛ = 1.415± 0.027 ± 0.006 ps and τB0sJ/ψϕ = 1.480± 0.011 ± 0.005 ps, where the first uncertainty is statistical and the second is systematic. [...]
arXiv:1402.2554; LHCB-PAPER-2013-065; CERN-PH-EP-2014-018; LHCB-PAPER-2013-065; CERN-PH-EP-2014-018.- Geneva : CERN, 2014 - 26 p. - Published in : JHEP 04 (2014) 114 Article from SCOAP3: PDF; Fulltext: PDF; Related data file(s): ZIP; Springer Open Access article: PDF; External link: Preprint
7.
Measurement of Υ production in pp collisions at s=2.76 TeV / LHCb collaboration
The production of Υ(1S), Υ(2S) and Υ(3S) mesons decaying into the dimuon final state is studied with the LHCb detector using a data sample corresponding to an integrated luminosity of 3.3 pb1 collected in proton-proton collisions at a centre-of-mass energy of s=2.76 TeV. The differential production cross-sections times dimuon branching fractions are measured as functions of the Υ transverse momentum and rapidity, over the ranges pT<15 GeV/c and 2.0<y<4.5. [...]
arXiv:1402.2539; CERN-PH-EP-2014-016; LHCB-PAPER-2013-066; CERN-PH-EP-2014-016; LHCB-PAPER-2013-066.- Geneva : CERN, 2014-04-29 - 21 p. - Published in : Eur. Phys. J. C 74 (2014) 2835 Article from SCOAP3: PDF; Fulltext: PDF; Fulltext from Publisher: PDF; Related data file(s): ZIP; Springer Open Access article: PDF; External link: Preprint
8.
Searches for Λ0b and Ξ0b decays to K0Spπ and K0SpK final states with first observation of the Λ0bK0Spπ decay / LHCb collaboration
A search for previously unobserved decays of beauty baryons to the final states K0Spπ and K0SpK is reported. The analysis is based on a data sample corresponding to an integrated luminosity of 1.0fb1 of pp collisions. [...]
arXiv:1402.0770; LHCB-PAPER-2013-061; CERN-PH-EP-2014-012; LHCB-PAPER-2013-061; CERN-PH-EP-2014-012.- Geneva : CERN, 2014 - 24 p. - Published in : JHEP 04 (2014) 087 Article from SCOAP3: PDF; Fulltext: PDF; Related data file(s): ZIP; Springer Open Access article: PDF;
9.
Measurement of the B+c meson lifetime using B+cJ/ψμ+νμX decays / LHCb collaboration
The lifetime of the B+c meson is measured using semileptonic decays having a J/ψ meson and a muon in the final state. The data, corresponding to an integrated luminosity of 2 fb1, are collected by the LHCb detector in pp collisions at a centre-of-mass energy of 8TeV. [...]
arXiv:1401.6932; CERN-PH-EP-2014-008; LHCB-PAPER-2013-063; CERN-PH-EP-2014-008; LHCB-PAPER-2013-063.- Geneva : CERN, 2014-05-01 - 28 p. - Published in : Eur. Phys. J. C 74 (2014) 2839 Article from SCOAP3: PDF; Fulltext: PDF; Fulltext from Publisher: PDF; Related data file(s): ZIP; Related supplementary data file(s): ZIP; Springer Open Access article: PDF;
10.
Search for Majorana neutrinos in Bπ+μμ decays / LHCb collaboration
A search for heavy Majorana neutrinos produced in the Bπ+μμ decay mode is performed using 3 fb1 of integrated luminosity collected with the LHCb detector in pp collisions at center-of-mass energies of 7 TeV and 8 TeV at the LHC. Neutrinos with masses in the range 250-5000 MeV and lifetimes from zero to 1000 ps are probed. [...]
arXiv:1401.5361; CERN-PH-EP-2014-002; LHCB-PAPER-2013-064; LHCB-PAPER-2013-064; CERN-PH-EP-2014-002.- Geneva : CERN, 2014-04-03 - 8 p. - Published in : Phys. Rev. Lett. 112 (2014) 131802 APS Open Access article: PDF; Fulltext: PDF; Related data file(s): ZIP; Related supplementary data file(s): ZIP; External link: Preprint

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178 Polok, G.
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