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Measurement of the B0s -> u+u- decay properties and search for the B0 -> u+u- decay in proton-proton collisions at s=13TeV

Abstract: Measurements are presented of the branching fraction and effective lifetime, as well as results of a search for the decay in proton-proton collisions at at the LHC. The analysis is based on data collected with the CMS detector in 2016-2018 corresponding to an integrated luminosity of 140 fb-1. The branching fraction of the B0s -> u+u- decay and the effective B0s meson lifetime are the most precise single measurements to date. No evidence for the decay has been found. All results are found to be consistent with the standard model predictions and previous measurements.

Otras publicaciones de la misma revista o congreso con autores/as de la Universidad de Cantabria

 Fuente: Physics Letters B, 2023, 842, 137955

Editorial: Elsevier

 Fecha de publicación: 01/07/2023

Nº de páginas: 27

Tipo de publicación: Artículo de Revista

 DOI: 10.1016/j.physletb.2023.137955

ISSN: 0370-2693,1873-2445

Url de la publicación: https://doi.org/10.1016/j.physletb.2023.137955