Title
Measurement of the ratio <tex>$B(B_{S}^{0}\rightarrow J\psi f_{0}(980))/B(B_{S}^{0}\rightarrow J\psi\phi(1020))$</tex> in pp collisions at <tex>$\sqrt{s}$</tex>=7 TeV Measurement of the ratio <tex>$B(B_{S}^{0}\rightarrow J\psi f_{0}(980))/B(B_{S}^{0}\rightarrow J\psi\phi(1020))$</tex> in pp collisions at <tex>$\sqrt{s}$</tex>=7 TeV
Author
Faculty/Department
Faculty of Sciences. Physics
Publication type
article
Publication
Amsterdam ,
Subject
Physics
Source (journal)
Physics letters: B. - Amsterdam, 1967, currens
Volume/pages
756(2016) , p. 84-102
ISSN
0370-2693
ISI
000373569200011
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
A measurement of the ratio of the branching fractions of the B-s(0) meson to J/psi f(0)(980) and to J/psi phi(1020) is presented. The J/psi, f(0)(980), and phi(1020) are observed through their decays to mu(+)mu(-), pi(+)pi(-), and K+K-, respectively. The f(0) and the phi are identified by requiring |M-pi+(pi)- - 974 MeV| < 50 MeV and |M-K+(K)- - 1020 MeV| < 10 MeV. The analysis is based on a data sample of pp collisions at a centre-of-mass energy of 7 TeV, collected by the CMS experiment at the LHC, corresponding to an integrated luminosity of 5.3fb(-1). The measured ratio is B(B-s(0) -> J/psi f(0)) B(f(0) ->pi(+)pi(-))/B(B-s(0) -> J/psi phi) B(phi -> K+K-)= 0.140 +/- 0.008 (stat) +/- 0.023 (syst), where the first uncertainty is statistical and the second is systematic. (C) 2016 CERN for the benefit of the CMS Collaboration. Published by Elsevier B.V. This is an open access article under the CC BY license.
Full text (open access)
https://repository.uantwerpen.be/docman/irua/266215/133592.pdf
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