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CERN Document Server Sök i 385 journaler efter:  1 - 10nästaslut  gå till journal: Sökningen tog 0.48 sekunder. 
1.
Updated search for long-lived particles decaying to jet pairs / LHCb Collaboration
A search is presented for long-lived particles with a mass between 25 and 50 GeV/c2 and a lifetime between 2 and 500 ps, using proton-proton collision data corresponding to an integrated luminosity of 2.0 fb1, collected by the LHCb detector at centre-of-mass energies of 7 and 8 TeV. The particles are assumed to be pair-produced in the decay of a 125 GeV/c2 Standard-Model-like Higgs boson. [...]
arXiv:1705.07332; LHCB-PAPER-2016-065; CERN-EP-2017-083.- Geneva : CERN, 2017-11-29 - 23 p. - Published in : Eur. Phys. J. C Article from SCOAP3: PDF; Fulltext: PDF; Related data file(s): ZIP; Supplementary information: ZIP; External link: Figures, tables and other information
2.
Measurement of B0, Bs0, B+ and Λb0 production asymmetries in 7 and 8 TeV proton-proton collisions / LHCb Collaboration
The B0, Bs0, B+ and Λb0 hadron production asymmetries are measured using a data sample corresponding to an integrated luminosity of 3.0 fb1, collected by the LHCb experiment in proton-proton collisions at centre-of-mass energies of 7 and 8 TeV. The measurements are performed as a function of transverse momentum and rapidity of the b hadrons within the LHCb detector acceptance. [...]
arXiv:1703.08464; CERN-EP-2017-036; LHCB-PAPER-2016-062.- Geneva : CERN, 2017-11-10 - 20 p. - Published in : Phys. Lett. B 774 (2017) 139-158 Article from SCOAP3: PDF; Fulltext: PDF; Related data file(s): ZIP; External link: Figures, tables and other information
3.
Observation of the decay Bs0ηcϕ and evidence for Bs0ηcπ+π / LHCb Collaboration
A study of Bs0ηcϕ and Bs0ηcπ+π decays is performed using pp collision data corresponding to an integrated luminosity of 3.0fb1, collected with the LHCb detector in Run~1 of the LHC. The observation of the decay Bs0ηcϕ is reported, where the ηc meson is reconstructed in the pp¯, K+Kπ+π, π+ππ+π and K+KK+K decay modes and the ϕ(1020) in the K+K decay mode. [...]
arXiv:1702.08048; CERN-EP-2017-026; LHCB-PAPER-2016-056.- 2017-07-05 - 30 p. - Published in : JHEP 07 (2017) 021 Article from SCOAP3: scoap3-fulltext - PDF; scoap - PDF; Fulltext: PDF; External link: Figures, tables and other information
4.
Observation of the decay Λb0pKμ+μ and a search for CP violation / LHCb Collaboration
A search for CP violation in the decay Λb0pKμ+μ is presented. This decay is mediated by flavour-changing neutral-current transitions in the Standard Model and is potentially sensitive to new sources of CP violation. [...]
arXiv:1703.00256; LHCB-PAPER-2016-059; CERN-EP-2017-032.- Geneva : CERN, 2017-06-21 - 17 p. - Published in : JHEP 1706 (2017) 108 Article from SCOAP3: scoap3-fulltext - PDF; scoap - PDF; Fulltext: PDF; Related data file(s): ZIP; Related supplementary data file(s): ZIP; External link: Figures, tables and other information
5.
Measurement of the CP violation parameter AΓ in D0K+K and D0π+π decays / LHCb Collaboration
Asymmetries in the time-dependent rates of D0K+K and D0π+π decays are measured in a pp collision data sample collected with the LHCb detector during LHC Run 1, corresponding to an integrated luminosity of 3fb1. The asymmetries in effective decay widths between D0 and D¯0 decays, sensitive to indirect CP violation, are measured to be AΓ(K+K)=(0.30±0.32±0.10)×103 and AΓ(π+π)=(0.46±0.58±0.12)×103, where the first uncertainty is statistical and the second systematic. [...]
arXiv:1702.06490; LHCB-PAPER-2016-063; CERN-EP-2017-028.- Geneva : CERN, 2017-06-28 - 9 p. - Published in : Phys. Rev. Lett. 118 (2017) 261803 APS Open Access Article: PDF; Fulltext: arXiv:1702.06490 - PDF; 10.1103_PhysRevLett.118.261803 - PDF; Related data file(s): ZIP; Related supplementary data file(s): ZIP; External link: Figures, tables and other information
6.
Observation of the suppressed decay Λb0pπμ+μ / LHCb Collaboration
The suppressed decay Λb0pπμ+μ, excluding the J/ψ and ψ(2S)μ+μ resonances, is observed for the first time with a significance of 5.5 standard deviations. The analysis is performed with proton-proton collision data corresponding to an integrated luminosity of 3fb1 collected with the LHCb experiment. [...]
arXiv:1701.08705; LHCB-PAPER-2016-049; CERN-EP-2016-312.- Geneva : CERN, 2017-04-06 - 16 p. - Published in : JHEP 04 (2017) 029 Article from SCOAP3: scoap3-fulltext - PDF; scoap - PDF; Fulltext: PDF; Related data file(s): ZIP; Related supplementary data file(s): ZIP; Springer Open Access article: PDF; External link: Figures, tables and other information
7.
Study of the D0p amplitude in Λb0D0pπ decays / LHCb Collaboration
An amplitude analysis of the decay Λb0D0pπ is performed in the part of the phase space containing resonances in the D0p channel. The study is based on a data sample corresponding to an integrated luminosity of 3.0 fb1 of pp collisions recorded by the LHCb experiment. [...]
arXiv:1701.07873; CERN-EP-2017-007; LHCB-PAPER-2016-061.- Geneva : CERN, 2017-05-05 - 41 p. Article from SCOAP3: scoap3-fulltext - PDF; scoap - PDF; Fulltext: PDF; Related data file(s): ZIP; Springer Open Access article: PDF; External link: Figures, tables and other information
8.
Measurement of the B± production asymmetry and the CP asymmetry in B±J/ψK± decays / LHCb Collaboration
The B± meson production asymmetry in pp collisions is measured using B+D¯0π+ decays. The data were recorded by the LHCb experiment during Run 1 of the LHC at centre-of-mass energies of s= 7 and 8 TeV [...]
arXiv:1701.05501; LHCB-PAPER-2016-054; CERN-EP-2016-325; LHCB-PAPER-2016-054.- Geneva : CERN, 2017-03-22 - 13 p. - Published in : Phys. Rev. D 95 (2017) 052005 APS Open Access article: PDF; Fulltext: arXiv:1701.05501 - PDF; 10.1103_PhysRevD.95.052005 - PDF; Related data file(s): ZIP; Related supplementary data file(s): ZIP; External link: Figures, tables and other information
9.
Observation of the ΞbJ/ψΛK decay / LHCb Collaboration
The observation of the decay ΞbJ/ψΛK is reported, using a data sample corresponding to an integrated luminosity of 3 fb1, collected by the LHCb detector in pp collisions at centre-of-mass energies of 7 and 8 TeV. The production rate of Ξb baryons detected in the decay ΞbJ/ψΛK is measured relative to that of Λb0 baryons using the decay Λb0J/ψΛ [...]
arXiv:1701.05274; CERN-EP-2016-318; LHCB-PAPER-2016-053; LHCB-PAPER-2016-053.- Geneva : CERN, 2017-09-10 - 9 p. - Published in : Phys. Lett. B 772 (2017) 265-273 Article from SCOAP3: PDF; Fulltext: PDF; Related data file(s): ZIP; External link: Figures, tables and other information
10.
Study of J/ψ production in jets / LHCb Collaboration
The production of J/ψ mesons in jets is studied in the forward region of proton-proton collisions using data collected with the LHCb detector at a center-of-mass energy of 13 TeV. The fraction of the jet transverse momentum carried by the J/ψ meson, zpT(J/ψ)/pT(jet), is measured using jets with pT(jet)>20 GeV in the pseudorapidity range 2.5<η(jet)<4.0. [...]
arXiv:1701.05116; LHCB-PAPER-2016-064; CERN-EP-2017-006; LHCB-PAPER-2016-064.- Geneva : CERN, 2017-05-08 - 11 p. - Published in : Phys. Rev. Lett. 118 (2017) 192001 Fulltext: 10.1103_PhysRevLett.118.192001 - PDF; arXiv:1701.05116 - PDF; Related data file(s): ZIP; Related supplementary data file(s): ZIP; External link: Figures, tables and other information

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224 Linn, C
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