$b \rightarrow s γ$ and $B_s \rightarrow μ^+ μ^-$ in Extended Technicolor Models

Details $b \rightarrow s γ$ and $B_s \rightarrow μ^+ μ^-$ in Extended Technicolor Models $b \rightarrow s γ$ and $B_s \rightarrow μ^+ μ^-$ in Extended Technicolor Models

1993-05-19

arxiv.org/abs/hep-ph/9305289v1

Phys.Lett.B312:148-154,1993

Physics

High Energy Physics

High Energy Physics - Phenomenology

15 pages, 1 figure (available upon request), MIT-CTP-2211, LBL-34110, UCB-PTH-93/17

Scientific paper

10.1016/0370-2693(93)90503-A

The rates of the rare flavor-changing processes, $b \rightarrow s \gamma$ and $B_s \rightarrow \mu^+ \mu^-$ are estimated in extended technicolor models with and without a GIM mechanism. We find the $b \rightarrow s \gamma$ rate in ETC models with a GIM mechanism to be at most slightly larger than the standard model rate, whereas there is no significant extra model-independent contribution in other ETC scenarios. In the case of $B_s \rightarrow \mu^+ \mu^-$, ETC models with a GIM mechanism can yield a rate up to two orders of magnitude bigger than that of the standard model, whereas generic ETC scenarios are likely to give a rate which is about an order of magnitude bigger than that of the standard model.

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