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SUSY Contributions to R_b and Top Quark Decay

Drees, Manuel and Godbole, RM and Guchait, Monoranjan and Raychaudhuri, Sreerup and Roy, DP (1996) SUSY Contributions to R_b and Top Quark Decay. [Preprint]


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Stop contributions to radiative corrections to R_b 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 R_b 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.

Item Type: Preprint
Additional Information: Phys.Rev. D54 (1996) 5598-5605
Department/Centre: Division of Physical & Mathematical Sciences > Centre for Theoretical Studies (Ceased to exist at the end of 2003)
Date Deposited: 31 Jul 2004
Last Modified: 19 Sep 2010 04:13
URI: http://eprints.iisc.ac.in/id/eprint/893

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