SUSY Contributions to Rb and Top Quark Decay
Drees, Manuel · Godbole, R. M. · Guchait, Monoranjan · Raychaudhuri, Sreerup · Roy, D. P.
Original · EN
Stop contributions to radiative corrections to Rb and the top quark decay are analysed over the relevant MSSM parameter space. One sees a 30 % increase in the former along with a similar drop in the latter in going from the higgsino dominated to the mixed region. Consequently one can get a viable SUSY contribution to Rb within the constraint of the top quark data only in the mixed region, corresponding to a photino dominated LSP. We discuss the phenomenological implications of this model for top quark decay and direct stop production, which can be tested with the Tevatron data.
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