Long-distance QCD effects in FCNC $B\to \gamma l^+l^-$ decays

TL;DR

This paper reviews recent theoretical work on rare radiative leptonic B meson decays induced by flavor-changing neutral currents within the Standard Model, focusing on long-distance QCD effects.

Contribution

It provides a detailed analysis of long-distance QCD effects in FCNC B decays, expanding understanding of these rare processes.

Findings

Quantitative estimates of long-distance QCD contributions

Implications for new physics searches in B decays

Refined theoretical predictions for decay rates

Abstract

This presentation reviews the main results of our recent work [A.K., D.M., N.N., Phys. Rev. D97, 053007 (2018)] on rare radiative leptonic decays $B_{d,s}\to\gamma\mu^+\mu^-$ and $B_{d,s}\to\gamma e^+e ^-$ induced by flavour-changing neutral currents (FCNC) in the Standard Model.