Study of B Meson Production in P+pb Collisions at ?snn = 5.02 Tev Using Exclusive Hadronic Decays

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Karapınar, Güler

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Abstract

The production cross sections of the B+, B0, and Bs0 mesons, and of their charge conjugates, are measured via exclusive hadronic decays in p+Pb collisions at the center-of-mass energy √SNN = 5.02 TeV with the CMS detector at the CERN LHC. The data set used for this analysis corresponds to an integrated luminosity of 34.6 nb-1. The production cross sections are measured in the transverse momentum range between 10 and 60 GeV/c. No significant modification is observed compared to proton-proton perturbative QCD calculations scaled by the number of incoherent nucleon-nucleon collisions. These results provide a baseline for the study of in-medium b quark energy loss in Pb+Pb collisions. © 2016 CERN.

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Keywords

Large Hadron Collider (LHC), Compact Muon Solenoid, Tellurium compounds, Hadronic decays, solenoid, 550, drift tube, Non disponibile, magnetic field, High Energy Physics - Experiment, mass spectrum, MONTE-CARLO, nucleon nucleon, invariance, info:eu-repo/classification/ddc/530, Nuclear Experiment, LHC, CMS, Heavy ions, B mesons, Monte Carlo, hadronic decay, B: production, QCD MATTER, Multidisciplinary, 02 Physical Sciences, bottom: energy loss, CMS, Physics, superconductivity, ddc:530, resistive plate chamber, p: beam, suppression, 001, Monte-Carlo; Energy-Loss; Bosons; Energy Dissipation; Hadrons; Lead; Tellurium Compounds, p p, CERN LHC Coll, Physical Sciences, CMS Collaboration, differential cross section, 5020 GeV7000 GeV4000 GeV1580 GeV/nucleon, vertex: primary, MONTE-CARLO; ENERGY-LOSS; QCD MATTER, General Physics, Physics, Multidisciplinary, transverse momentum, meson, 530, Physics and Astronomy (all), quantum chromodynamics, calorimeter, luminosity, heavy quark, lead, info:eu-repo/classification/ddc/550, Science & Technology, B/s0, FISICA DELLE PARTICELLE, K*(892), B0, Physics and Astronomy, B+, ENERGY-LOSS, experimental results

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01 natural sciences, 0103 physical sciences

Citation

Khachatryan, V., Sirunyan, A.M., Tumasyan, A., Adam, W., Asilar, E., Bergauer, T.,...CMS Collaboration (2016). Study of B meson production in p+Pb collisions at √sNN = 5.02 TeV using exclusive hadronic decays. Physical Review Letters, 116(3). doi:10.1103/PhysRevLett.116.032301

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