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Theoretical Physycs Group at Scuola Normale Superiore
Piazza dei Cavalieri, 7
56100 Pisa PI - Italy
ph. +39 050 509203
ph. +39 050 509111

Riccardo Barbieri (SNS & INFN)

B-decay anomalies in Pati-Salam SU(4)

Attempts to incorporate in a coherent picture the B-decay anomalies presumably observed in b->c and b->s semileptonic decays have to face the absence of signals in other related experiments, both at low and at high energies. I describe one such attempt based on the Pati-Salam SU(4) group that unifies colour and the B-L charge.