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@INPROCEEDINGS{Martinov:637046,
author = {Martinov, Tommy},
collaboration = {Belle {II Collaboration}},
title = {{M}easurements of semileptonic and leptonic {B} decays at
{B}elle {II}},
reportid = {PUBDB-2025-03748},
year = {2025},
abstract = {Introduction● New Belle II leptonic and semileptonic
results using the full Run 1 dataset of365 fb -1 or 390M
BB̅ pairs collected at an e+ e- centre-of-mass energy at
theY(4S) resonance mass (10.58 GeV)● One new leptonic B
decay result○ Measurement of the B + → τ ν branching
fraction with a hadronic tagging method■ See Giovanni
Gaudino’s YSF talk this evening for more details● Two
new semileptonic B decay results○ Determination of |V cb|
using B → D l ν decays with an inclusive tagging
method○ Test of lepton flavour universality with
measurements of R(D + ) and R(D∗+ ) usingsemileptonic B
tagging■ First result using semileptonic B tagging !■
First combined R(D) and R(D*) Belle II measurement},
month = {Mar},
date = {2025-03-30},
organization = {59th Rencontres de Moriond 2025, La
Thuile (Italy), 30 Mar 2025 - 6 Apr
2025},
cin = {BELLE},
cid = {I:(DE-H253)BELLE-20210408},
pnm = {611 - Fundamental Particles and Forces (POF4-611)},
pid = {G:(DE-HGF)POF4-611},
experiment = {EXP:(DE-H253)BELLE-20150101},
typ = {PUB:(DE-HGF)6},
url = {https://bib-pubdb1.desy.de/record/637046},
}