Top-Quark Phenomenology in Models with Bilinearly and Spontaneously Broken R-parity

Details Top-Quark Phenomenology in Models with Bilinearly and Spontaneously Broken R-parity Top-Quark Phenomenology in Models with Bilinearly and Spontaneously Broken R-parity

1999-03-24

arxiv.org/abs/hep-ph/9903474v1

Phys.Lett.B459:615-624,1999

Physics

High Energy Physics

High Energy Physics - Phenomenology

12 pages, 6 eps-figures

Scientific paper

10.1016/S0370-2693(99)00728-5

We study unconventional decays of the top-quark in the framework of SUSY models with spontaneously broken R-parity. In particular we discuss an effective theory which consists of the MSSM plus bilinearly broken R-parity. We demonstrate that the decay modes t -> stau + b and t -> tau + sbottom can have large branching ratios even in scenarios where the tau-neutrino mass is very small. We show that existing Tevatron data already probe the theoretical parameters, with promising prospects for further improvement at the Run 2 of the Tevatron.

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