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@PROCEEDINGS{Fan:599373,
author = {Fan, Yulan},
title = {{R}ecent {B}elle {II} results related to π© anomalies},
publisher = {Proceedings of Science},
reportid = {PUBDB-2023-07361},
year = {2023},
abstract = {Semileptonic π΅-meson decays involving the quark
transition π β πππ provide excellent
sensi-tivity to probe potential lepton-flavour universality
violation. This work introduces two recentmeasurements
related to tests of light-lepton flavour universality using
a data sample collected atthe Ξ₯(4π) resonance on the
Belle II experiment corresponding to an integrated
luminosity of 189fbβ1. Measurement of the ratio of the
branching fractions of inclusive π΅ β ππππ
and π΅ β π πππdecays and measurement of
angular asymmetries of π΅0 β π·ββ ππ decays
agree well with standardmodel expectation.},
month = {Jul},
date = {2023-07-03},
organization = {20th International Conference on
B-Physics at Frontier Machines,
Clermont-Ferrand (France), 3 Jul 2023 -
7 Jul 2023},
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)26},
url = {https://bib-pubdb1.desy.de/record/599373},
}