Theory of Inclusive B Decays

TL;DR

This paper reviews the current theoretical understanding of inclusive B decays, discussing recent progress, potential improvements, and implications for reducing uncertainties in predictions.

Contribution

It provides a comprehensive overview of the state of the art in inclusive B decay theory and explores avenues for enhancing predictive accuracy.

Findings

Current theoretical models are well-developed but can be refined.

Potential for reducing theoretical uncertainties exists.

Progress may improve the precision of CKM matrix element extractions.

Abstract

In this talk I briefly review the current status of the theory of the inclusive $B$ decays: $\bar B\to X_c\, \ell\,\bar\nu_\ell$, $\bar B\to X_u\, \ell\,\bar\nu_\ell$, and $\bar B\to X_s\,\gamma$. I try to answer three questions: what is the current "state of the art", can the theoretical prediction be improved, and will it lead to a smaller theoretical uncertainty.