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On suppressing the Higgsino-mediated proton decay in SUSY SO(10) GUT's

Krzysztof Turzynski

hep-pharXiv:hep-ph/0110282

Abstract

Using the freedom in SO(10) GUT's one can generalize the existing models without changing the mass spectrum of fermions to obtain a significant suppression of proton decay resulting from the baryon number violating operators of dimension 5. In some limiting cases, their contributions can be made negligible compared to the dimension 6 operators resulting from the heavy gauge bosons exchange.

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