Inclusive B-Hadron Production Cross Section With Muons in Pp Collisions at ?s = 7 Tev
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Karapınar, Güler
Demir, Durmuş Ali
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Abstract
A measurement of the b-hadron production cross section in proton-proton collisions at √s = 7TeV is presented. The dataset, corresponding to 85 nb-1, was recorded with the CMS experiment at the LHC using a low-threshold single-muon trigger. Events are selected by the presence of a muon with transverse momentum pμ T > 6GeV with respect to the beam direction and pseudorapidity |ζμ| < 2.1. The transverse momentum of the muon with respect to the closest jet discriminates events containing b hadrons from background. The inclusive b-hadron production cross section is presented as a function of muon transverse momentum and pseudorapidity. The measured total cross section in the kinematic acceptance is σ(pp → b + X → μ + X′) = 1.32 ± 0.01(stat) ± 0.30(syst) ± 0.15(lumi)μb.
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Keywords
Hadron-Hadron scattering, Large Hadron Collider (LHC), Compact Muon Solenoid, CMS experiment, Quantum Chromodynamics (QCD), heavy quarks, Compact Muon Solenoid, CMS experiment, cross section measured, P(P)OVER-BAR COLLISIONS, Fizikai tudományok, Large Hadron Collider (LHC), PARTICLE PHYSICS; LARGE HADRON COLLIDER; CMS, High Energy Physics - Experiment, High Energy Physics - Experiment (hep-ex), bottom semileptonic decay, Természettudományok, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], Hadroproduction, Factorization, HADROPRODUCTION, info:eu-repo/classification/ddc/530, Fisica delle particelle, hadron-hadron scattering, CMS, Physics, ddc:530, 001, CERN LHC Coll, Quantum Chromodynamics (QCD), PARTICLE PHYSICS, FACTORIZATION, LHC, Particle Physics - Experiment, heavy-quark production, Nuclear and High Energy Physics, [PHYS.HEXP] Physics [physics]/High Energy Physics - Experiment [hep-ex], Heavy-quark production, bottom hadroproduction, LHC; CMS; Physics; heavy quarks, FOS: Physical sciences, p p bottom anything, Hadron-hadron scattering, 530, HEAVY-QUARK PRODUCTION; P(P)OVER-BAR COLLISIONS; HADROPRODUCTION; FACTORIZATION, HADRON-HADRON SCATTERING; LHC; CMS; HEP, HEAVY-QUARK PRODUCTION, factorization, hadroproduction, muon trigger, experimental result, cross section rapidity dependence, Hadron-Hadron Scattering, Física, p p inclusive reaction, P(P)Over-bar collisions, LARGE HADRON COLLIDER, p(p)over-bar collisions, Hadron-Hadron scattering, differential cross section transverse momentum, Heavy-Quark Production; P(P)Over-Bar Collisions; Hadroproduction; Factorization, CMS, LHC, Hadron-hadron scattering; Nuclear and High Energy Physics, Muon transverse momentum
Fields of Science
01 natural sciences, 0103 physical sciences
Citation
Khachatryan, V., Sirunyan, A.M., Tumasyan, A., Adam, W., Bergauer, T., Dragicevic, M., Erö, J., ...CMS Collaboration (2011). Inclusive b-hadron production cross section with muons in pp collisions at √s = 7 TeV. Journal of High Energy Physics, 2011(3). doi:10.1007/JHEP03(2011)090
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2011
Issue
3
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