R-parity violating decays of the Top-Quark and the Top-Squark at the Tevatron
F. de Campos, M. A. Diaz, O. J. P. Eboli, M. B. Magro, L. Navarro, W. Porod, D. A. Restrepo, J. W. F. Valle
Abstract
We study unconventional decays of the top-quark and the top-squark in the framework of SUSY models with broken R-parity. The model under study is the MSSM with an additional bilinear term that breaks R-parity. In this model the top-squark behaves similar to a third generation leptoquark. We demonstrate that existing Tevatron data on the top give rise to restrictions on the SUSY parameter space. In particular, we focus on scenarios where the tau-neutrino mass is smaller than 1 eV. We give an exclusion plot derived from the leptoquark searches at Tevatron.
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