Anomalies in $B$ -decays and $U(2)$ flavour symmetry

preprint2015arXivOpen access

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.

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Anomalies in $B$ -decays and $U(2)$ flavour symmetry

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Anomalies in $B$ -decays and $U(2)$ flavour symmetry