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Abstract: The observation of the ?b 0?J/??? 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(?b 0?J/???)/B(?b 0??(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 ? and ?(2S) decays to the reconstructed final states.
Fuente: Physics Letters B 802 (2020) 135203
Publisher: Elsevier
Publication date: 01/03/2020
No. of pages: 23
Publication type: Artículo de Revista
DOI: 10.1016/j.physletb.2020.135203
ISSN: 0370-2693,1873-2445
Publication Url: https://doi.org/10.1016/j.physletb.2020.135203
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JOSE IBAN CABRILLO BARTOLOME
ALICIA CALDERON TAZON
BARBARA CHAZIN QUERO
JORGE DUARTE CAMPDERROS
MARCOS FERNANDEZ GARCIA
PEDRO JOSE FERNANDEZ MANTECA
ANDREA GARCIA ALONSO
GERVASIO GOMEZ GRAMUGLIO
CELSO MARTINEZ RIVERO
PABLO MARTINEZ RUIZ DEL ARBOL
FRANCISCO MATORRAS WEINIG
JONATAN PIEDRA GOMEZ
CEDRIC GERALD PRIEELS
MARIA TERESA RODRIGO ANORO
ALBERTO RUIZ JIMENO
LORENZO RUSSO
LUCA SCODELLARO
IVAN VILA ALVAREZ
JESUS MANUEL VIZAN GARCIA
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