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


CMS Collaboration; Chatrchyan, S; Amsler, C; Chiochia, V; Favaro, C; Verzetti, M; Snoek, H; De Visscher, S; Aguiló, E; Storey, J; Schmitt, A; Ivova, M; Otyugova, P; Millan, B (2011). Measurement of the Bs0 Production Cross Section with Bs0→J/ψϕ Decays in pp Collisions at √s=7 TeV. Physical Review D, 84(5):052008.

Abstract

The Bs0 differential production cross section is measured as functions of the transverse momentum and rapidity in pp collisions at √s=7  TeV, using the Bs0→J/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 40  pb-1. The Bs0 is reconstructed from the decays J/ψ→μ+μ- and ϕ→K+K-. The integrated Bs0 cross section times Bs0→J/ψϕ branching fraction in the range 8<pTB<50  GeV/c and |yB|<2.4 is measured to be 6.9±0.6±0.6  nb, where the first uncertainty is statistical and the second is systematic. Published by the American Physical Society 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

The Bs0 differential production cross section is measured as functions of the transverse momentum and rapidity in pp collisions at √s=7  TeV, using the Bs0→J/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 40  pb-1. The Bs0 is reconstructed from the decays J/ψ→μ+μ- and ϕ→K+K-. The integrated Bs0 cross section times Bs0→J/ψϕ branching fraction in the range 8<pTB<50  GeV/c and |yB|<2.4 is measured to be 6.9±0.6±0.6  nb, where the first uncertainty is statistical and the second is systematic. Published by the American Physical Society 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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Additional indexing

Other titles:Measurement of the strange B meson production cross section with J/Psi phi decays in pp collisions at sqrt(s) = 7 TeV
Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Physics Institute
Dewey Decimal Classification:530 Physics
Language:English
Date:2011
Deposited On:12 Feb 2012 17:51
Last Modified:05 Apr 2016 15:36
Publisher:American Physical Society
ISSN:1550-7998 (P) 1089-4918 (E)
Publisher DOI:10.1103/PhysRevD.84.052008
Related URLs:http://arxiv.org/abs/1106.4048
Permanent URL: http://doi.org/10.5167/uzh-58816

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