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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.
LHCb Detector Performance / LHCb collaboration
The LHCb detector is a forward spectrometer at the Large Hadron Collider (LHC) at CERN. The experiment is designed for precision measurements of CP violation and rare decays of beauty and charm hadrons. [...]
arXiv:1412.6352; LHCB-DP-2014-002; CERN-PH-EP-2014-290; CERN-PH-EP-2014-290; LHCB-DP-2014-002.- Geneva : CERN, 2015-03-05 - 73 p. - Published in : Int. J. Mod. Phys. A 30 (2015) 1530022 Fulltext: PDF; World Scientific Open Access article: PDF; External link: Preprint
3.
Observation of the rare B0sμ+μ decay from the combined analysis of CMS and LHCb data / CMS and LHCb Collaborations
A joint measurement is presented of the branching fractions B0sμ+μ and B0μ+μ in proton-proton collisions at the LHC by the CMS and LHCb experiments. The data samples were collected in 2011 at a centre-of-mass energy of 7 TeV, and in 2012 at 8 TeV. [...]
arXiv:1411.4413; CERN-PH-EP-2014-220; CMS-BPH-13-007; LHCB-PAPER-2014-049; CERN-PH-EP-2014-220; CMS-BPH-13-007; LHCB-PAPER-2014-049.- 2015-05-13 - 46 p. - Published in : Nature 522 (2015) 68-72 Fulltext: openaccess_nature14474 - PDF; arXiv:1411.4413 - PDF; Fulltext from Publisher: nature14474 - PDF; 10.1038_nature14474 - PDF; Related data file(s): ZIP; External links: Interactions.org article; Fermilab News article; Los Angeles Times article
4.
Measurement of B+c production in proton-proton collisions at s=8 TeV / LHCb Collaboration
Production of B+c mesons in proton-proton collisions at a center-of-mass energy of 8 TeV is studied with data corresponding to an integrated luminosity of 2.0 fb1 recorded by the LHCb experiment. The ratio of production cross-sections times branching fractions between the B+cJ/ψπ+ and B+J/ψK+ decays is measured as a function of transverse momentum and rapidity in the regions 0<pT<20GeV/c and 2.0<y<4.5. [...]
arXiv:1411.2943; CERN-PH-EP-2014-269; LHCB-PAPER-2014-050; LHCB-PAPER-2014-050; CERN-PH-EP-2014-269.- Geneva : CERN, 2015-04-02 - 9 p. - Published in : Phys. Rev. Lett. 114 (2015) 132001 APS Open Access article: PDF; Fulltext: PDF; Related data file(s): ZIP; Related supplementary data files(s): ZIP; External link: Preprint
5.
Search for CP violation in D0ππ+π0 decays with the energy test / LHCb Collaboration
A search for time-integrated CP violation in the Cabibbo-suppressed decay D0ππ+π0 is performed using for the first time an unbinned model-independent technique known as the energy test. Using proton-proton collision data, corresponding to an integrated luminosity of 2.0 fb1 collected by the LHCb detector at a centre-of-mass energy of s = 8 TeV, the world's best sensitivity to CP violation in this decay is obtained [...]
arXiv:1410.4170; CERN-PH-EP-2014-251; LHCB-PAPER-2014-054; LHCB-PAPER-2014-054; CERN-PH-EP-2014-251.- Geneva : CERN, 2015-01-05 - 10 p. - Published in : Phys. Lett. B 740 (2015) 158 Article from SCOAP3: PDF; Elsevier Open Access article : PDF; Fulltext: PDF; Related data file(s): ZIP; Related supplementary data file(s): ZIP; External link: Preprint
6.
Precision luminosity measurements at LHCb / LHCb collaboration
Measuring cross-sections at the LHC requires the luminosity to be determined accurately at each centre-of-mass energy s. In this paper results are reported from the luminosity calibrations carried out at the LHC interaction point 8 with the LHCb detector for s = 2.76, 7 and 8 TeV (proton-proton collisions) and for sNN = 5 TeV (proton-lead collisions). [...]
arXiv:1410.0149; LHCB-PAPER-2014-047; CERN-PH-EP-2014-221; LHCB-PAPER-2014-047; CERN-PH-EP-2014-221.- Geneva : CERN, 2014-12-05 - 99 p. - Published in : JINST 9 (2014) P12005 Fulltext: arXiv:1410.0149 - PDF; 10.1088_1748-0221_9_12_P12005 - PDF; IOP Open Access article: PDF; Related data file(s): ZIP; Related supplementary data file(s): ZIP; External link: Preprint
7.
Precision measurement of the mass and lifetime of the Ξb baryon / LHCb collaboration
We report on measurements of the mass and lifetime of the Ξb baryon using about 1800 Ξb decays reconstructed in a proton-proton collision data set corresponding to an integrated luminosity of 3.0 fb1 collected by the LHCb experiment. The decays are reconstructed in the ΞbΞ0cπ, Ξ0cpKKπ+ channel and the mass and lifetime are measured using the Λ0bΛ+cπ mode as a reference. [...]
arXiv:1409.8568; LHCB-PAPER-2014-048; CERN-PH-EP-2014-226; LHCB-PAPER-2014-048; CERN-PH-EP-2014-226.- Geneva : CERN, 2014-12-09 - 9 p. - Published in : Phys. Rev. Lett. 113 (2014) 242002 APS Open Access article: PDF; Fulltext: PDF; Related data file(s): ZIP; Related supplementary data file(s): ZIP; External link: Preprint
8.
Measurement of the semileptonic CP asymmetry in B0¯B0 mixing / LHCb Collaboration
The semileptonic CP asymmetry in B0¯B0 mixing, adsl, is measured in proton-proton collision data, corresponding to an integrated luminosity of 3.0 fb1, recorded by the LHCb experiment. Semileptonic B0 decays are reconstructed in the inclusive final states Dμ+ and Dμ+, where the D meson decays into the K+ππ final state, and the D meson into the ¯D0(K+π)π final state. [...]
arXiv:1409.8586; CERN-PH-EP-2014-237; LHCB-PAPER-2014-053; LHCB-PAPER-2014-053; CERN-PH-EP-2014-237.- Geneva : CERN, 2015-01-28 - 9 p. - Published in : Phys. Rev. Lett. 114 (2015) 041601 APS Open Access article: PDF; Fulltext: PDF; Related data file(s): ZIP; Related supplementary data file(s): ZIP; External link: Preprint
9.
Search for the lepton flavour violating decay τμμ+μ / LHCb Collaboration
A search for the lepton flavour violating decay τμμ+μ is performed with the LHCb experiment. The data sample corresponds to an integrated luminosity of 1.0 fb1 of proton-proton collisions at a centre-of-mass energy of 7 TeV and 2.0 fb1 at 8 TeV. [...]
arXiv:1409.8548; LHCB-PAPER-2014-052; CERN-PH-EP-2014-236; LHCB-PAPER-2014-052; CERN-PH-EP-2014-236.- Geneva : CERN, 2015-02-18 - 19 p. - Published in : JHEP 02 (2015) 121 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;
10.
Measurement of the CP-violating phase ϕs in ˉB0sD+sDs decays / LHCb collaboration
We present a measurement of the CP-violating weak mixing phase ϕs using the decay ˉB0sD+sDs in a data sample corresponding to 3.0 fb1 of integrated luminosity collected with the LHCb detector in pp collisions at centre-of-mass energies of 7 and 8 TeV. An analysis of the time evolution of the system, which does not constrain |λ|=1 to allow for the presence of CP violation in decay, yields ϕs=0.02±0.17 (stat) ±0.02 (syst) rad, |λ|=0.91+0.180.15 (stat) ±0.02 (syst). [...]
arXiv:1409.4619; LHCB-PAPER-2014-051; CERN-PH-EP-2014-223; LHCB-PAPER-2014-051; CERN-PH-EP-2014-223.- Geneva : CERN, 2014-11-20 - 9 p. - Published in : Phys. Rev. Lett. 113 (2014) 211801 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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