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


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In the minimal SU(5) SUSY GUT $d =5$ operators lead to $p\to K^+ u$ decay with the proton life time of the order of $10^{28}$ years for the natural choice of the parameters of the theory. This value is in strong contradiction with experimental bound $\tau {p\to K u} > 10^{32}$ years. $d=5$ operators are induced by colored Higgsino exchanges a

Autor: Z. Berezhiani; Z. Tavartkiladze; M. Vysotsky

Fuente: https://archive.org/







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