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Observation of the Lambda(0)(b) -> J/psi Lambda phi decay in proton-proton collisions at root s=13 TeV

Sirunyan, A. M. and Tumasyan, A. R. and Adam, Wolfgang and Ambrogi, Federico and Bergauer, Thomas and Md. Ali, Mohd Adli (2020) Observation of the Lambda(0)(b) -> J/psi Lambda phi decay in proton-proton collisions at root s=13 TeV. Physics Letters B, 802. ISSN 0370-2693

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Abstract

The observation of the 0 b → J/ψφ decay is reported using proton-proton collision data collected at √s = 13 TeV by the CMS experiment at the LHC in 2018, corresponding to an integrated luminosity of 60 fb−1. The ratio of the branching fractions B(0 b → J/ψφ)/B(0 b → ψ(2S)) 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

Item Type: Article (Journal)
Additional Information: 7861/88868
Uncontrolled Keywords: CMS, b physics, Heavy-flavor spectroscopy, Computing
Subjects: Q Science > QC Physics
Kulliyyahs/Centres/Divisions/Institutes (Can select more than one option. Press CONTROL button): Kulliyyah of Science > Department of Physics
Depositing User: Dr Mohd Adli MD Ali
Date Deposited: 18 Mar 2021 12:33
Last Modified: 18 Mar 2021 12:33
URI: http://irep.iium.edu.my/id/eprint/88868

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