Lepton Number Violating Radiative $W$ Decay in Models with R-parity Violation

Details Lepton Number Violating Radiative $W$ Decay in Models with R-parity Violation Lepton Number Violating Radiative $W$ Decay in Models with R-parity Violation

1992-11-10

arxiv.org/abs/hep-ph/9211236v1

Phys.Rev. D47 (1993) 4991-4994

Physics

High Energy Physics

High Energy Physics - Phenomenology

10 pages, 2 figures(available on request), LaTex, ANL-HEP-PR-92-81

Scientific paper

10.1103/PhysRevD.47.4991

Models with explicit R-parity violation can induce new rare radiative decay modes of the $W$ boson into single supersymmetric particles which also violate lepton number. We examine the rate and signature for one such decay, $W\rightarrow \tilde l\gamma$, and find that such a mode will be very difficult to observe, due its small branching fraction, even if the lepton number violating coupling in the superpotential is comparable in strength to electromagnetism. This parallels a similar result obtained earlier by Hewett in the case of radiative $Z$ decays.

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