Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/8457
Title: Observation of the Λb 0→j/Ψλϕ Decay in Proton-Proton Collisions at S=13tev
Authors: Sirunyan, A.M.
Tumasyan, A.
Adam, W.
Ambrogi, F.
Bergauer, T.
Dragicevic, M.
Ivanchenko, V.
Keywords: B Physics
Cms
Computing
Heavy-Flavor Spectroscopy
Publisher: Elsevier B.V.
Abstract: The observation of the Λb 0→J/ψΛϕ decay is reported using proton-proton collision data collected at s=13TeV by the CMS experiment at the LHC in 2018, corresponding to an integrated luminosity of 60fb−1. The ratio of the branching fractions B(Λb 0→J/ψΛϕ)/B(Λb 0→ψ(2S)Λ) is measured to be (8.26±0.90(stat)±0.68(syst)±0.11(B))×10−2, where the first uncertainty is statistical, the second is systematic, and the last uncertainty reflects the uncertainties in the world-average branching fractions of ϕ and ψ(2S) decays to the reconstructed final states. © 2020 The Author
URI: https://doi.org/10.1016/j.physletb.2020.135203
ISSN: 0370-2693
Appears in Collections:Rectorate / Rektörlük
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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