Flavour Changing Neutral Current B Decays at BABAR

TL;DR

This paper reports recent BaBar experimental results on rare B meson decays involving flavour-changing neutral currents, including CP asymmetries and branching ratios, providing insights into potential new physics beyond the Standard Model.

Contribution

It presents new measurements of CP asymmetries and branching ratios in rare B decays involving FCNCs, advancing experimental constraints in this area.

Findings

Measured CP asymmetries in $b o s \gamma$ decays.

Determined branching ratios for $b o s l^+l^-$ decays.

Results are consistent with Standard Model predictions.

Abstract

Recent BaBar results on rare B decays involving flavour-changing neutral currents are presented. New measurements of the CP asymmetries in $b \to s \gamma$ decays are reported as well as $b \to s l^+l^-$ branching ratio measurements.