TL;DR
This paper summarizes the current understanding of the branching ratio of B -> Xs gamma decay, focusing on the uncertainties arising from non-perturbative effects in the theoretical calculations.
Contribution
It provides an updated overview of the status of measurements and theoretical predictions for B -> Xs gamma, highlighting the main sources of uncertainty.
Findings
Current measurements agree with Standard Model predictions
Non-perturbative effects remain a significant source of uncertainty
Further precision requires better understanding of non-perturbative QCD
Abstract
Our current knowledge of BR(B -> Xs gamma) is briefly summarized, with particular attention to uncertain non-perturbative effects.
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Taxonomy
TopicsParticle accelerators and beam dynamics · Nuclear Physics and Applications · Radiation Detection and Scintillator Technologies