Radiative $W$ and $Z$ Decays and Spontaneous R-Parity Violation

Details Radiative $W$ and $Z$ Decays and Spontaneous R-Parity Violation Radiative $W$ and $Z$ Decays and Spontaneous R-Parity Violation

1992-12-10

arxiv.org/abs/hep-ph/9212249v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

15 pages, 4 figures(available upon request), LaTex, UMD-PP-93-90

Scientific paper

We point out that in a class of supersymmetric models where R-parity violation is induced by the spontaneous breaking of local $B-L$ symmetry, the R-parity violating $W$ decay $W\rightarrow\slep\gamma$ and $Z$ decay $Z\rightarrow\snu\gamma$, forbidden in the minimal supersymmetric standard model (MSSM), occur at an enhanced rate compared to other models with R-parity breaking. We find that the branching fractions for these modes can be of order $10^{-5}$ .

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