Measurement of the B c ± production cross section in pp¯ collisions at √s = 1.96 TeV

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Measurement of the B c ± production cross section in pp¯ collisions at √s = 1.96 TeV

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Title: Measurement of the B c ± production cross section in pp¯ collisions at √s = 1.96 TeV
Author: Franklin, Melissa; Huth, John; Morii, Masahiro

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Citation: ATLAS Collaboration. 2016. Measurement of the B c ± production cross section in pp¯ collisions at √s = 1.96 TeV. Phys. Rev. D 93, no. 5. doi:10.1103/physrevd.93.052001.
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Abstract: We describe a measurement of the ratio of the cross sections times branching fractions of the B+c meson in the decay mode B+c → J/ψ µ+ν to the B+ meson in the decay mode B+ → J/ψ K+ in proton-antiproton collisions at center-of-mass energy √s = 1.96 TeV. The measurement is based on the complete CDF Run II data set, which comes from an integrated luminosity of 8.7 −1. The ratio of the production cross sections times branching fractions for B + c and B + mesons with momentum transverse to the beam greater than 6 GeV/c and rapidity magnitude smaller than 0.6 is 0.211 ± 0.012 (stat)+0.021−0.020 (syst). Using the known B + → J/ψ K+ branching fraction, the known B + production cross section, and a selection of the predicted B + c → J/ψ µ+ν branching fractions, the range for the total B+c production cross section is estimated.
Published Version: doi:10.1103/PhysRevD.93.052001
Other Sources: https://arxiv.org/pdf/1601.03819.pdf
Terms of Use: This article is made available under the terms and conditions applicable to Open Access Policy Articles, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#OAP
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:29058545
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