CERN Accelerating science

CERN Document Server Sök i 106 journaler efter:  1 - 10nästaslut  gå till journal: Sökningen tog 0.53 sekunder. 
1.
Model-independent confirmation of the Z(4430) state / LHCb collaboration
The decay B0ψ(2S)K+π is analyzed using 3 fb1 of pp collision data collected with the LHCb detector. A model-independent description of the ψ(2S)π mass spectrum is obtained, using as input the Kπ mass spectrum and angular distribution derived directly from data, without requiring a theoretical description of resonance shapes or their interference. [...]
arXiv:1510.01951; CERN-PH-EP-2015-244; LHCB-PAPER-2015-038; CERN-PH-EP-2015-244; LHCB-PAPER-2015-038.- 2015-12-29 - 15 p. - Published in : Phys. Rev. D 92 (2015) 112009 APS Open Access article: PDF; Fulltext: 10.1103_PhysRevD.92.112009 - PDF; arXiv:1510.01951 - PDF; External link: Figures, tables and other information
2.
Search for long-lived heavy charged particles using a ring imaging Cherenkov technique at LHCb / LHCb collaboration
A search is performed for heavy long-lived charged particles using 3.0 fb1 of pp collisions collected at s= 7 and 8 TeV with the LHCb detector. The search is mainly based on the response of the ring imaging Cherenkovdetectors to distinguish the heavy, slow-moving particles from muons. [...]
arXiv:1506.09173; CERN-PH-EP-2105-139; LHCB-PAPER-2015-002; CERN-PH-EP-2105-139; LHCB-PAPER-2015-002.- Geneva : CERN, 2015-12-15 - 24 p. - Published in : Eur. Phys. J. C 75 (2015) 595 Article from SCOAP3: scoap3-fulltext - PDF; scoap - PDF; Fulltext: PDF; Related data file(s): ZIP; Springer Open Access article: PDF;
3.
First observation of the decay B0sK0SK(892)0 / LHCb collaboration
A search for B0(s)K0SK(892)0 decays is performed using pp collision data, corresponding to an integrated luminosity of 1.0 fb1, collected with the LHCb detector at a centre-of-mass energy of 7 TeV. The B0sK0SK(892)0 decay is observed for the first time, with a significance of 7.1 standard deviations. [...]
arXiv:1506.08634; CERN-PH-EP-2015-144; LHCB-PAPER-2015-018; CERN-PH-EP-2015-144; LHCB-PAPER-2015-018.- Geneva : CERN, 2016-01-04 - 19 p. - Published in : JHEP 01 (2016) 012 Article from SCOAP3: scoap3-fulltext - PDF; scoap - PDF; Fulltext: PDF; Related data files(s): ZIP; Springer Open Access article: PDF; External link: Figures, tables and other information
4.
First observation of top quark production in the forward region / LHCb collaboration
Top quark production in the forward region in proton-proton collisions is observed for the first time. The W+b final state with Wμν is reconstructed using muons with a transverse momentum, pT, larger than 25 GeV in the pseudorapidity range 2.0<η<4.5. [...]
arXiv:1506.00903; LHCB-PAPER-2015-022; CERN-PH-EP-2015-132; LHCB-PAPER-2015-022; CERN-PH-EP-2015-132.- Geneva : CERN, 2015-09-08 - 10 p. - Published in : Phys. Rev. Lett. 115 (2015) 112001 APS Open Access article: PDF; Fulltext: PDF; Related data file(s): ZIP; External link: Preprint
5.
Measurement of the exclusive Υ production cross-section in pp collisions at s=7 TeV and 8 TeV / LHCb collaboration
A study is presented of central exclusive production of Υ(nS) states, where the Υ(nS) resonances decay to the μ+μ final state, using pp collision data recorded by the LHCb experiment. The cross-section is measured in the rapidity range 2<y(Υ)<4.5 where the muons are reconstructed in the pseudorapidity range 2<η(μ±)<4.5. [...]
arXiv:1505.08139; LHCB-PAPER-2015-011; CERN-PH-EP-2015-123; LHCB-PAPER-2015-011; CERN-PH-EP-2015-123.- Geneva : CERN, 2015-09-14 - 21 p. - Published in : JHEP 09 (2015) 084 Article from SCOAP3: scoap3-fulltext - PDF; scoap - PDF; Fulltext: PDF; Related data file(s): ZIP; Springer Open Access article: PDF;
6.
Study of BDKπ+π and BDππ+π decays and determination of the CKM angle γ / LHCb collaboration
We report a study of the suppressed BDKπ+π and favored BDππ+π decays, where the neutral D meson is detected through its decays to the Kπ± and CP-even K+K and π+π final states. The measurement is carried out using a proton-proton collision data sample collected by the LHCb experiment, corresponding to an integrated luminosity of 3.0 fb1. [...]
arXiv:1505.07044; LHCB-PAPER-2015-020; CERN-PH-EP-2015-127; LHCB-PAPER-2015-020; CERN-PH-EP-2015-127.- Geneva : CERN, 2015-12-17 - 20 p. - Published in : Phys. Rev. D 92 (2015) 112005 APS Open Access article: PDF; Fulltext: arXiv:1505.07044 - PDF; 10.1103_PhysRevD.92.112005 - PDF; Related data file(s): ZIP; External link: Figures, tables and other information
7.
Measurement of the forward Z boson production cross-section in pp collisions at s = 7 TeV / LHCb collaboration
A measurement of the production cross-section for Z bosons that decay to muons is presented. The data were recorded by the LHCb detector during pp collisions at a centre-of-mass energy of 7 TeV, and correspond to an integrated luminosity of 1.0 fb1 [...]
arXiv:1505.07024; LHCB-PAPER-2015-001; CERN-PH-EP-2015-102; LHCB-PAPER-2015-001; CERN-PH-EP-2015-102.- Geneva : CERN, 2015-08-10 - 41 p. - Published in : JHEP 08 (2015) 039 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: Preprint
8.
Study of W boson production in association with beauty and charm / LHCb collaboration
The associated production of a W boson with a jet originating from either a light parton or heavy-flavor quark is studied in the forward region using proton-proton collisions. The analysis uses data corresponding to integrated luminosities of 1.0 and 2.0fb1 collected with the LHCb detector at center-of-mass energies of 7 and 8 TeV, respectively. [...]
arXiv:1505.04051; LHCB-PAPER-2015-021; CERN-PH-EP-2015-118; LHCB-PAPER-2015-021; CERN-PH-EP-2015-118.- Geneva : CERN, 2015-09-08 - 16 p. - Published in : Phys. Rev. D 92 (2015) 052001 APS Open Access article: PDF; Fulltext: PDF; Related data file(s): ZIP; External link: Preprint
9.
Search for the Λ0bΛη and Λ0bΛη decays with the LHCb detector / LHCb collaboration
A search is performed for the as yet unobserved baryonic Λ0bΛη and Λ0bΛη decays with 3fb1 of proton-proton collision data recorded by the LHCb experiment. The B0K0Sη decay is used as a normalisation channel. [...]
arXiv:1505.03295; LHCB-PAPER-2015-019; CERN-PH-EP-2015-112; LHCB-PAPER-2015-019; CERN-PH-EP-2015-112.- Geneva : CERN, 2015-09-01 - 22 p. - Published in : JHEP 09 (2015) 006 Article from SCOAP3: scoap3-fulltext - PDF; scoap - PDF; Fulltext: PDF; Related data file(s): ZIP; Springer Open Access article: PDF;
10.
Amplitude analysis of B0ˉD0K+π decays / LHCb collaboration
The Dalitz plot distribution of B0ˉD0K+π decays is studied using a data sample corresponding to 3.0fb1 of pp collision data recorded by the LHCb experiment during 2011 and 2012. The data are described by an amplitude model that contains contributions from intermediate K(892)0, K(1410)0, K2(1430)0 and D2(2460) resonances. [...]
arXiv:1505.01505; LHCB-PAPER-2015-017; CERN-PH-EP-2015-107; LHCB-PAPER-2015-017; CERN-PH-EP-2015-107.- Geneva : CERN, 2015-07-20 - 24 p. - Published in : Phys. Rev. D 92 (2015) 012012 APS Open Access article: PDF; Fulltext: PDF; Related data file(s): ZIP; External link: Preprint

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