Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2002-05-23
Phys.Rev.Lett. 89 (2002) 271801
Physics
High Energy Physics
High Energy Physics - Phenomenology
4 pages, 3 figures
Scientific paper
10.1103/PhysRevLett.89.271801
We consider $B_s \to \mu^+ \mu^-$ and the muon $(g-2)_\mu$ in various SUSY breaking mediation mechanisms. If the decay $B_s \to \mu^+ \mu^-$ is observed at Tevatron Run II with a branching ratio larger than $\sim 2 \times 10^{-8} $, the noscale supergravity (including the gaugino mediation), the gauge mediation scenario with small number of messenger fields and low messenger scale, and a class of anomaly mediation scenarios will be excluded, even if they can accommodate a large muon $(g-2)_\mu$. On the other hand, the minimal supergravity scenario and similar mechanisms derived from string models can accommodate this observation.
Baek Seungwon
Ko Pyungwon
Song Wan Young
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