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Abstract: Angular distributions of the decay B+ ! K(892)+ ? + ?? are studied using events collected with the CMS detector in p s = 8TeV proton-proton collisions at the LHC, corresponding to an integrated luminosity of 20.0 fb?1. The forward-backward asymmetry of the muons and the longitudinal polarization of the K(892)+ meson are determined as a function of the square of the dimuon invariant mass. These are the first results from this exclusive decay mode and are in agreement with a standard model prediction.
Fuente: Journal of High Energy Physics, 2021, 04, 124
Editorial: Springer Verlag
Fecha de publicación: 14/04/2021
Nº de páginas: 35
Tipo de publicación: Artículo de Revista
DOI: 10.1007/JHEP04(2021)124
ISSN: 1126-6708,1029-8479
Url de la publicación: https://doi.org/10.1007/JHEP04(2021)124
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SIRUNYAN, A.M.
JAVIER ANDRES BROCHERO CIFUENTES
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
LUCA SCODELLARO
IVAN VILA ALVAREZ
JESUS MANUEL VIZAN GARCIA
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