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Inclusive b-hadron production cross section with muons in pp collisions at s√=7TeV
Khachatryan, V. Baringer, Philip S. Bean, Alice Benelli, Gabriele Grachov, Oleg A. Murray, Michael J. Noonan, Danny Radicci, Valeria Sanders, Stephen J. Wood, Jeffrey Scott
Khachatryan, V.
Baringer, Philip S.
Bean, Alice
Benelli, Gabriele
Grachov, Oleg A.
Murray, Michael J.
Noonan, Danny
Radicci, Valeria
Sanders, Stephen J.
Wood, Jeffrey Scott
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Abstract
A measurement of the b-hadron production cross section in proton-proton collisions at s√=7TeVs=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 pμT>6GeVpTμ>6GeV with respect to the beam direction and pseudorapidity |η μ | < 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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Date
2011-03-18
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Springer
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Hadron-Hadron Scattering
Citation
Khachatryan, V. et al. "Inclusive b-hadron production cross section with muons in pp collisions at s√=7TeV." Journal of High Energy Physics March 2011, 2011:90, http://www.dx.doi.org/10.1007/JHEP03(2011)090