Flavour anomalies in supersymmetric scenarios with non-minimal flavour violation

TL;DR

This paper investigates non-minimal flavour-violating MSSM scenarios, calculating full one-loop contributions to address anomalies in B-meson decays and muon g-2, finding scenarios consistent with experimental data.

Contribution

It provides the first detailed one-loop analysis of non-minimal flavour violation in MSSM addressing flavour anomalies and muon g-2 simultaneously.

Findings

Identifies MSSM parameter scenarios compatible with flavour anomalies

Shows MSSM can simultaneously explain B-decay and muon g-2 tensions

Provides analytical one-loop contributions to relevant Wilson coefficients

Abstract

Motivated by tensions between experimental measurements and SM predictions in $b\to s \ell^+\ell^-$ transitions, we present the first study of non-minimal flavour-violating Minimal Supersymmetric Standard Model (MSSM) scenarios contributing to the relevant Wilson coefficients to address the observed anomalies using SuperIso and MARTY. We calculate the full one-loop analytical contributions of the general MSSM to Wilson coefficients relevant for flavour anomalies, together with the anomalous muon magnetic dipole moment $(g-2)_\mu$. We show that, after imposing theoretical constraints on the flavour-violating parameters we can find scenarios in agreement with the experimental measurements that can address at the same time the tensions in flavour observables and in $(g-2)_\mu$.