Volume 476 - 42nd International Conference on High Energy Physics (ICHEP2024) - Quark and Lepton Flavour Physics
Precision calculations in B physics
M. Steinhauser
Full text: pdf
Pre-published on: December 17, 2024
Published on: April 29, 2025
Abstract
We discuss recent higher order calculations to properties of $B$
mesons. This includes next-to-next-to-leading order corrections to nonleptonic
and next-to-next-to-next-to-leading order corrections to semileptonic $B$
meson decays. The latter is important in connection to the determination of
the CKM matrix element $V_{cb}$. We also discuss next-to-next-to-leading
order corrections to the width difference in the neutral $B$ meson system.
DOI: https://doi.org/10.22323/1.476.0463
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