$d=5$ operators in SUSY GUT: fermion masses versus proton decay

Z. Berezhiani, Z. Tavartkiladze, M. Vysotsky

In the minimal SU(5) SUSY GUT $d=5$ operators lead to $p\to K^{+}\nu$ decay with the proton life time of the order of $10^{28}$ years for the natural choice of the parameters of the…