Title
Measurement of the <tex>$B_{s}^{0}$</tex> production cross section with <tex>$B_{s}^{0}\rightarrow J/\psi\phi$</tex> decays in pp collisions at <tex>$\sqrt{s}$</tex> = 7 TeV
Author
Faculty/Department
Faculty of Sciences. Physics
Publication type
article
Publication
Lancaster, Pa ,
Subject
Physics
Source (journal)
Physical review : D : particles and fields. - Lancaster, Pa, 1970 - 2003
Volume/pages
84(2011) :5 , p. 1-16
ISSN
0556-2821
ISI
000295046500001
Article Reference
052008
Carrier
E-only publicatie
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
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/ψ&#981; 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 &#981;→K+K-. The integrated Bs0 cross section times Bs0→J/ψ&#981; 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.
Full text (open access)
https://repository.uantwerpen.be/docman/irua/20eef6/52bffaca.pdf
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