The collection of a few anomalies in semileptonic B-decays invites to speculate about the emergence of some strikingly new phenomena. Here we offer a possible interpretation of these anomalies in the context of a weakly broken U(2)5 flavour symmetry and lepto-quark mediators.
@article{arxiv.1512.01560,
title = {Anomalies in $B$-decays and $U(2)$ flavour symmetry},
author = {Riccardo Barbieri and Gino Isidori and Andrea Pattori and Fabrizio Senia},
journal= {arXiv preprint arXiv:1512.01560},
year = {2016}
}