Manifestaion of SUSY in B decays
Yasuhiro Okada
Abstract
SUSY effects on various flavor changing neutral current processes are discussed in the minimal supergravity model and the SU(5) grand unified theory with right-handed neutrino supermultiplets. In particular, in the latter case the neutrino Yukawa coupling constants can be a source of the flavor mixing in the right-handed-down-type-squark sector. It is shown that due to this mixing the time-dependent CP asymmetry of radiative B decay can be as large as 30% and the ratio of Bs-Bs mixing and Bd-Bd mixing deviates from the prediction in the standard model and the minimal supergravity model without the neutrino interaction.
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