U(2) and minimal flavour violation in supersymmetryRiccardo Barbieri, Gino Isidori, Joel Jones-Pérez, Paolo Lodone and DavidM. StraubEur. Phys. J. C, 71 8 (2011) 1725DOI: https://doi.org/10.1140/epjc/s10052-011-1725-z