Measurement of the B[subscript s][superscript 0] Production Cross Section with B[subscript s][superscript 0]→J/ψϕ Decays in pp Collisions at √s=7 TeV
Author(s)
Alver, Burak Han; Bauer, Gerry P.; Bendavid, Joshua L.; Busza, Wit; Butz, Erik M.; Cali, Ivan Amos; Chan, M.; Dutta, Valentina; Everaerts, Pieter Bruno Bart; Gomez-Ceballos, Guillelmo; Goncharov, Maxim; Hahn, Kristian Allan; Harris, P.; Kim, Y.; Klute, Markus; Lee, Y. J.; Lee, S. W.; Loizides, Constantin; Luckey, P. David, Jr.; Ma, Teng; Nahn, Steven; Paus, Christoph M. E.; Ralph, D.; Roland, Christof E.; Roland, Gunther M.; Rudolph, Matthew Scott; Stephans, George S. F.; Stockli, F.; Sumorok, Konstanty C.; Sung, Kevin Kai Hong; Wenger, Edward Allen; Wolf, R.; Xie, S.; Yang, M.; Yilmaz, Yetkin; Yoon, A. S.; Zanetti, Marco; Wyslouch, Boleslaw; ... Show more Show less
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The B[subscript s][superscript 0] differential production cross section is measured as functions of the transverse momentum and rapidity in pp collisions at √s=7 TeV, using the B[subscript s][superscript 0]→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[superscript -1]. The B[subscript s][superscript 0] is reconstructed from the decays J/ψ→μ[superscript +]μ- and ϕ→K[superscript +]K[superscript -]. The integrated B[subscript s][superscript 0] cross section times B[subscript s][superscript 0]→J/ψϕ branching fraction in the range 8<p[subscript T][superscript B]<50 GeV/c and |y[superscript B]|<2.4 is measured to be 6.9±0.6±0.6 nb, where the first uncertainty is statistical and the second is systematic.
Date issued
2011-09Department
Massachusetts Institute of Technology. Department of Physics; Massachusetts Institute of Technology. Laboratory for Nuclear ScienceJournal
Physical Review D
Publisher
American Physical Society
Citation
Chatrchyan, S. et al. “Measurement of the Bs0 Production Cross Section with Bs0→J/ψϕ Decays in pp Collisions at √s=7 TeV” Physical Review D 84.5 (2011): n. pag. © 2011 CERN
Version: Final published version
ISSN
1550-7998
1089-4918