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Abstract: A study of excited ?b0 baryons is reported, based on a data sample collected in 2016?2018 with the CMS detector at the LHC in proton-proton collisions at a center-of-mass energy of 13?TeV, corresponding to an integrated luminosity of up to 140fb-1. The existence of four excited ?b0 states: ?b0(5912)0, ?b0(5920)0, ?b0(6146)0, and ?b0(6152)0 in the ?b0?+?- mass spectrum is confirmed, and their masses are measured. The ?b0?+?- mass distribution exhibits a broad excess of events in the region of 6040?6100?MeV, whose origin cannot be discerned with the present data.
Fuente: Physics Letters B 803 (2020) 135345
Editorial: Elsevier
Fecha de publicación: 01/04/2020
Nº de páginas: 22
Tipo de publicación: Artículo de Revista
DOI: 10.1016/j.physletb.2020.135345
ISSN: 0370-2693,1873-2445
Url de la publicación: https://doi.org/10.1016/j.physletb.2020.135345
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SIRUNYAN, A. M.
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
FRANCESCA SHUN-NING ANNAROSA RICCI-TAM
MARIA TERESA RODRIGO ANORO
ALBERTO RUIZ JIMENO
LORENZO RUSSO
LUCA SCODELLARO
IVAN VILA ALVAREZ
JESUS MANUEL VIZAN GARCIA
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