Can $Ω^- \to Ξ^- γ$ be sensitive to new physics beyond the Standard Model ?

Details Can $Ω^- \to Ξ^- γ$ be sensitive to new physics beyond the Standard Model ? Can $Ω^- \to Ξ^- γ$ be sensitive to new physics beyond the Standard Model ?

1995-11-29

arxiv.org/abs/hep-ph/9511458v1

Phys.Rev. D54 (1996) 3645-3648

Physics

High Energy Physics

High Energy Physics - Phenomenology

9 pages, RevTex, no figures

Scientific paper

10.1103/PhysRevD.54.3645

We investigate the impact of new physics beyond the Standard Model to the $s \rightarrow d \gamma$ process, which is responsible for the short-distance contribution to the radiative decay $\Otogamma$. We study three representative extensions of the Standard Model, namely a one-family technicolor model, a two Higgs doublet model and a model containing scalar leptoquarks. When constraints arising from the observed $b \to s \gamma$ transition and the upper limit on $D^0 - \bar{D}^0$ mixing are taken into account, we find no significant contributions of new physics to the $s \to d \gamma$ process.

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