Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1994-02-16
Phys.Lett.B341:166-172,1994
Physics
High Energy Physics
High Energy Physics - Phenomenology
12 pages, plain LATEX, 3 non-LATEX figures available in hardcopy on request; one reference corrected; Alberta-THY-2/94, UMN-TH
Scientific paper
10.1016/0370-2693(94)90306-9
We consider an extension of the supersymmetric standard model which includes singlet Higgs superfield representations (in three generations) to generate neutrino masses via the see-saw mechanism. The resulting theory may then exhibit R-parity violation in the couplings of the singlets, inducing $R$-parity violating effective interactions among the standard model superfields, as well as inducing decay of the lightest neutralino, which otherwise would compose a stable LSP. We compute the rates for the resulting neutralino decays, depending on the particular superpotential couplings responsible for the violation of R-parity. We compare to astrophysical constraints on the decay of massive particles.
Allahverdi Rouzbeh
Campbell Bruce A.
Olive Keith A.
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