• Open Access

Measurement of the Bs0 Production Cross Section with Bs0J/ψϕ Decays in pp Collisions at s=7TeV

S. Chatrchyan et al. (CMS Collaboration)
Phys. Rev. D 84, 052008 – Published 20 September 2011

Abstract

The Bs0 differential production cross section is measured as functions of the transverse momentum and rapidity in pp collisions at s=7TeV, using the Bs0J/ψϕ decay, and compared with predictions based on perturbative QCD calculations at next-to-leading order. The data sample, collected by the CMS experiment at the LHC, corresponds to an integrated luminosity of 40pb1. The Bs0 is reconstructed from the decays J/ψμ+μ and ϕK+K. The integrated Bs0 cross section times Bs0J/ψϕ branching fraction in the range 8<pTB<50GeV/c and |yB|<2.4 is measured to be 6.9±0.6±0.6nb, where the first uncertainty is statistical and the second is systematic.

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  • Received 22 June 2011

DOI:https://doi.org/10.1103/PhysRevD.84.052008

This article is available under the terms of the Creative Commons Attribution 3.0 License. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI.

© 2011 CERN, for the CMS Collaboration

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Vol. 84, Iss. 5 — 1 September 2011

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