Measurements of lepton-flavour universality in semileptonic

\nThe Belle and Belle II experiments have collected a 1.1 ab−1 sample of e+e− BB¯ collisions at the ϒ(4S ) resonance. These data, with low particle multiplicity, constrained initial state kinematics and excellent lepton identification, are an ideal environment to study lepton-flavour universality in semileptonic decays of the B meson. We present measurements of branching-fraction ratios that test the universality of τ and light leptons, using both exclusive and inclusive B semileptonic decays. We also report measurements of angular observables that probe universality between electrons and muons.\n

Publication Details

Journal
Springer Link (Chiba Institute of Technology)
Published
2024-11-20
DOI
https://doi.org/10.1051/epjconf/202431204007/pdf
Primary Topic
Ethnobotanical and Medicinal Plants Studies
Type
article
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article

Measurements of lepton-flavour universality in semileptonic

Springer Link (Chiba Institute of Technology)
Ethnobotanical and Medicinal Plants Studies
article

Measurements of lepton-flavour universality in semileptonic

article en

Abstract

\nThe Belle and Belle II experiments have collected a 1.1 ab−1 sample of e+e− BB¯ collisions at the ϒ(4S ) resonance. These data, with low particle multiplicity, constrained initial state kinematics and excellent lepton identification, are an ideal environment to study lepton-flavour universality in semileptonic decays of the B meson. We present measurements of branching-fraction ratios that test the universality of τ and light leptons, using both exclusive and inclusive B semileptonic decays. We also report measurements of angular observables that probe universality between electrons and muons.\n

Springer Link (Chiba Institute of Technology)
Openalex Percentile: Top 40%
Ethnobotanical and Medicinal Plants Studies
DOIOpen Access PDFOpenAlex
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Measurements of lepton-flavour universality in semileptonic · Springer Link (Chiba Institute of Technology) (2024) | TGRS Research Map | TGRS