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arXiv · hep-ph/0306022

Heavy bottom squark mass in the light gluino and light bottom squark scenario

Zumin Luo·Jonathan L. Rosner
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Abstract

Restrictive upper bounds on the heavy bottom squark mass when the gluino and one bottom squark are both light are based on the predicted reduction of $R_b$ (the fraction of $Z$ hadronic decays to $b \bar b$ pairs) in such a scenario. These bounds are found to be relaxed by the process $Z \to b\bar{\tilde b}{\tilde g}/{\bar b}{\tilde b}{\tilde g}$, which may partially compensate for the reduction of $R_b$. The relaxation of bounds on the top squark and the scale-dependence of the strong coupling constant are also discussed.

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Zumin Luo, Jonathan L. Rosner. 2003-06-24. Heavy bottom squark mass in the light gluino and light bottom squark scenario. https://doi.org/10.1016/j.physletb.2003.07.035

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