Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/6215
Title: Measurement of the ratio B(Bs 0 ? J/?f0(980))/B(Bs 0 ? J/??(1020)) in pp collisions at ?s=7 TeV
Authors: CMS Collaboration
Karapınar, Güler
Keywords: Large Hadron Collider (LHC)
Compact Muon Solenoid
Issue Date: May-2016
Publisher: Elsevier Ltd.
Source: Khachatryan, V., Sirunyan, A.M., Tumasyan, A., Adam, W., Bergauer, T., Dragicevic, M.,...CMS Collaboration (2016). Measurement of the ratio B(Bs 0 → J/ψf0(980))/B(Bs 0 → J/ψφ(1020)) in pp collisions at √s=7 TeV. Physics Letters, Section B, 756, 84-102. doi:10.1016/j.physletb.2016.02.047
Abstract: A measurement of the ratio of the branching fractions of the Bs0 meson to J/ψf0(980) and to J/ψφ(1020) is presented. The J/ψ, f0(980), and φ(1020) are observed through their decays to μ+μ-, π+π-, and K+K-, respectively. The f0 and the φ are identified by requiring |Mπ+π--974 MeV|<50 MeV and |MK+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 5.3 fb-1. The measured ratio is B(Bs 0→J/ψf0)B(f0→π+π-)/B(Bs 0→J/ψφ)B(φ→K+K-) = 0.140±0.008(stat) ± 0.023(syst), where the first uncertainty is statistical and the second is systematic.
URI: http://doi.org/10.1016/j.physletb.2016.02.047
http://hdl.handle.net/11147/6215
ISSN: 0370-2693
Appears in Collections:Mathematics / Matematik
Rectorate / Rektörlük
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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