Yukawa couplings and proton decay in SUSY models
High Energy Physics - Phenomenology
2007-05-23 v1
Abstract
We discuss proton decay induced by dimension--5 operators in supersymmetric models containing extra hypercharge-1/3 color-triplets. We derive a general formula relating dimension-5 operator to the color-triplet mass matrix. We show that certain zeros in the triplet mass-matrix together with some triplet coupling selection rules can lead to elimination of dimension-5 operators. We apply this mechanism to SU(5) and flipped SU(5) theories with extended Higgs sectors.
Keywords
Cite
@article{arxiv.hep-ph/9908419,
title = {Yukawa couplings and proton decay in SUSY models},
author = {Mario E. Gomez},
journal= {arXiv preprint arXiv:hep-ph/9908419},
year = {2007}
}
Comments
6 pages, uses JHEP.cls, talk given at the Trieste Meeting of the TMR Network on Physics Beyond the Standard Model, 24-27 February 1999, Trieste, Italy (to appear in the proceedings)