Resumen
Measurements are presented of the Bs 0→μ+μ− branching fraction and effective lifetime, as well as results of a search for the B0→μ+μ− decay in proton-proton collisions at s=13TeV at the LHC. The analysis is based on data collected with the CMS detector in 2016–2018 corresponding to an integrated luminosity of 140fb−1. The branching fraction of the Bs 0→μ+μ− decay and the effective Bs 0 meson lifetime are the most precise single measurements to date. No evidence for the B0→μ+μ− decay has been found. All results are found to be consistent with the standard model predictions and previous measurements.
| Idioma original | Inglés |
|---|---|
| Número de artículo | 137955 |
| Publicación | Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics |
| Volumen | 842 |
| DOI | |
| Estado | Publicada - 10 jul. 2023 |
Huella
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