Semileptonic B-decays at Belle and Belle II
Nikolai Peters (on behalf of the Belle II Collaboration)
TL;DR
This paper reviews recent measurements of semileptonic B decays from Belle and Belle II, focusing on CKM matrix elements and lepton flavor universality, using extensive data samples from both experiments.
Contribution
It provides a comprehensive summary of the latest experimental results on semileptonic B decays, including new determinations of CKM elements and tests of lepton flavor universality.
Findings
Updated measurements of |V_{cb}| and |V_{ub}|
Tests of lepton flavor universality with new data
Consistent results with the Standard Model
Abstract
The paper summarizes recent results from the Belle and Belle II collaborations on semileptonic decays measurements including inclusive and exclusive determination of Cabibbo-Kobayashi-Maskawa matrix elements and and lepton flavor universality tests studies. The results are based on the full Belle data and 361 fb Belle II data samples collected in 2018 - 2022.
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Taxonomy
TopicsParticle physics theoretical and experimental studies · Neutrino Physics Research · Quantum Chromodynamics and Particle Interactions