High Energy Physics - Experiment
[Submitted on 11 Nov 2014 (v1), last revised 3 Jun 2015 (this version, v2)]
Title:Measurement of $B_c^+$ production in proton-proton collisions at $\sqrt{s}=8$ TeV
View PDFAbstract: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 $2.0~{\rm fb}^{-1}$ recorded by the LHCb experiment. The ratio of production cross-sections times branching fractions between the $B_c^+\to J/\psi \pi^+$ and $B^+\to J/\psi K^+$ decays is measured as a function of transverse momentum and rapidity in the regions $0 < p_{\rm T} < 20~{\rm GeV}/c$ and $2.0 < y < 4.5$. The ratio in this kinematic range is measured to be $(0.683\pm0.018\pm0.009)\%$, where the first uncertainty is statistical and the second systematic.
Submission history
From: Bo Liu [view email][v1] Tue, 11 Nov 2014 20:00:28 UTC (102 KB)
[v2] Wed, 3 Jun 2015 09:22:48 UTC (150 KB)
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