CERN Accelerating science

CERN Document Server 2,050 εγγραφές βρέθηκαν  1 - 10επόμενοτέλος  μετάβαση στην εγγραφή: Η έρευνα πήρε 3.80 δευτερόλεπτα. 
1.
Measurement of charged particle multiplicities and densities in pppp collisions at ss = 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=7s=7TeV with data collected in 2010 by the LHCb detector. The forward spectrometer allows access to a kinematic range of 2.0<η<4.82.0<η<4.8 in pseudorapidity, momenta down to 22GeV/cc and transverse momenta down to 0.20.2GeV/cc. [...]
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
2.
Differential branching fraction and angular analysis of the decay B0sϕμ+μB0sϕμ+μ / LHCb Collaboration
The determination of the differential branching fraction and the first angular analysis of the decay B0sϕμ+μB0sϕμ+μ are presented using data, corresponding to an integrated luminosity of 1.0fb11.0fb1, collected by the LHCb experiment at s=7TeVs=7TeV. The differential branching fraction is determined in bins of q2q2, the invariant dimuon mass squared. [...]
arXiv:1305.2168; CERN-PH-EP-2013-078; LHCB-PAPER-2013-017; CERN-PH-EP-2013-078; LHCB-PAPER-2013-017.- Geneva : CERN, 2013-07-11 - 18 p. - Published in : JHEP 07 (2013) 084 APS published version, local copy: PDF; Fulltext: PDF; Related data file(s): ZIP; Springer Open Access article: PDF; External link: Preprint
3.
Observation of the decay B+cJ/ψK+Kπ+B+cJ/ψK+Kπ+ / LHCb Collaboration
The decay B+cJ/ψK+Kπ+B+cJ/ψK+Kπ+ is observed for the first time, using proton-proton collisions collected with the LHCb detector corresponding to an integrated luminosity of 3 fb11. A signal yield of 78±±14 decays is reported with a significance of 6.2 standard deviations. [...]
arXiv:1309.0587; CERN-PH-EP-2013-165; LHCB-PAPER-2013-047; LHCB-PAPER-2013-047; CERN-PH-EP-2013-165.- Geneva : CERN, 2013 - 16 p. - Published in : JHEP 11 (2013) 094 Fulltext: PDF; Related data file(s): ZIP; Springer Open Access article: PDF; External link: Preprint
4.
Study of DJDJ meson decays to D+πD+π, D0π+D0π+ and D+πD+π final states in pp collisions / LHCb collaboration
A study of D+π, D0π+ and D+π final states is performed using pp collision data, corresponding to an integrated luminosity of 1.0 fb1, collected at a centre-of-mass energy of 7 TeV with the LHCb detector. The D1(2420)0 resonance is observed in the D+π final state and the D2(2460) resonance is observed in the D+π, D0π+ and D+π final states. [...]
arXiv:1307.4556; CERN-PH-EP-2013-122; LHCB-PAPER-2013-026; CERN-PH-EP-2013-122; LHCB-PAPER-2013-026.- Geneva : CERN, 2013 - 26 p. - Published in : JHEP 09 (2013) 145 APS published version, local copy: PDF; Fulltext: PDF; Related data file(s): ZIP; Springer Open Access article: PDF; External link: Rivet analyses reference
5.
Measurement of the charge asymmetry in B±ϕK± and search for B±ϕπ± decays / LHCb collaboration
The CP-violating charge asymmetry in B±ϕK± decays is measured in a sample of pp collisions at 7 TeV centre-of-mass energy, corresponding to an integrated luminosity of 1.0 fb1 collected by the LHCb experiment. The result is ACP(B±ϕK±)=0.022±0.021±0.009, where the first uncertainty is statistical and the second systematic. [...]
arXiv:1309.3742; LHCB-PAPER-2013-048; CERN-PH-EP-2013-166; LHCB-PAPER-2013-048; CERN-PH-EP-2013-166.- Geneva : CERN, 2014-01-20 - 10 p. - Published in : Phys. Lett. B 728 (2014) 85-94 APS published version, local copy: PDF; Article from SCOAP3: PDF; Elsevier Open Access article: PDF; Fulltext: arXiv:1309.3742 - PDF; S0370269313009398 - XML; Related data file(s): ZIP; Related supplementary data file(s): ZIP;
6.
Measurement of the forward energy flow in pp collisions at s= 7 TeV / LHCb Collaboration
The energy flow created in pp collisions at s=7 TeV is studied within the pseudorapidity range 1.9<eta<4.9 with data collected by the LHCb experiment. The measurements are performed for inclusive minimum-bias interactions, hard scattering processes and events with an enhanced or suppressed diffractive contribution. [...]
arXiv:1212.4755; CERN-PH-EP-2012-346; LHCB-PAPER-2012-034; CERN-PH-EP-2012-346; LHCB-PAPER-2012-034.- Geneva : CERN, 2013 - 17 p. - Published in : Eur. Phys. J. C 73 (2013) 2421 APS published version, local copy: PDF; Fulltext: PDF; Related data (files): ZIP; Springer Open Access article: PDF; External link: Rivet analyses reference
7.
Study of J/ψ production and cold nuclear matter effects in pPb collisions at sNN = 5 TeV / LHCb Collaboration
The production of J/ψ mesons with rapidity 1.5 < y < 4.0 or -5.0 < y <-2.5 and transverse momentum pT < 14 GeV/c is studied with the LHCb detector in proton-lead collisions at a proton-nucleon centre-of-mass energy sNN=5 TeV. The J/ψ mesons are reconstructed using the dimuon decay mode. [...]
arXiv:1308.6729; CERN-PH-EP-2013-156; LHCB-PAPER-2013-052; LHCB-PAPER-2013-052; CERN-PH-EP-2013-156.- Geneva : CERN, 2014-02 - 23 p. - Published in : JHEP 02 (2014) 072 Article from SCOAP3: PDF; Fulltext: PDF; Related data file(s): ZIP; Springer Open Access article: PDF; External link: Preprint
8.
Measurement of D0ˉD0 mixing parameters and search for CP violation using D0K+π decays / LHCb collaboration
Measurements of charm mixing parameters from the decay-time-dependent ratio of D0K+π to D0Kπ+ rates and the charge-conjugate ratio are reported. The analysis uses data, corresponding to 3 fb1 of integrated luminosity, from proton-proton collisions at 7 and 8 TeV center-of-mass energies recorded by the LHCb experiment. [...]
arXiv:1309.6534; CERN-PH-EP-2013-176; LHCB-PAPER-2013-053; CERN-PH-EP-2013-176; LHCB-PAPER-2013-053.- Geneva : CERN, 2013-12-18 - 9 p. - Published in : Phys. Rev. Lett. 111 (2013) 251801 APS Open Access article: PDF; Fulltext: PDF; Related data file(s): ZIP; Related supplementary data file(s): ZIP; External link: Preprint
9.
Production of J/ψ and Υ mesons in pp collisions at s = 8 TeV / LHCb Collaboration
The production of J/ψ and Υ mesons in pp collisions at s = 8 TeV is studied with the LHCb detector. The J/ψ and Υ mesons are reconstructed in the μ+μ decay mode and the signal yields are determined to fit to the μ+μ invariant mass distributions. [...]
arXiv:1304.6977; CERN-PH-EP-2013-071; LHCB-PAPER-2013-016; CERN-PH-EP-2013-071; LHCB-PAPER-2013-016.- Geneva : CERN, 2013-06 - 35 p. - Published in : JHEP 06 (2013) 064 APS published version, local copy: PDF; Fulltext: PDF; Related data file(s): ZIP; Related supplementary data file(s): ZIP; Springer Open Access article: PDF; External link: Preprint
10.
Measurement of the branching fractions of the decays B0s¯D0Kπ+ and B0¯D0K+π / LHCb Collaboration
The first observation of the decay B0s¯D0Kπ+ is reported. The analysis is based on a data sample, corresponding to an integrated luminosity of 1.0fb1 of pp collisions, collected with the LHCb detector [...]
arXiv:1304.6317; LHCB-PAPER-2013-022; CERN-PH-EP-2013-070; LHCB-PAPER-2013-022; CERN-PH-EP-2013-070.- Geneva : CERN, 2013-06-20 - 10 p. - Published in : Phys. Rev. D 87 (2013) 112009 APS Open Access article: PDF; Fulltext: PDF; Related data file(s): ZIP; External link: Preprint

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