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b -> s gamma in the left-right supersymmetric model | | Mariana Frank
; Shuquan Nie
; | | Date: |
15 Feb 2002 | | Journal: | Phys.Rev. D65 (2002) 114006 | | Subject: | hep-ph | | Abstract: | The rare decay $b o s gamma$ is studied in the left-right supersymmetric model. We give explicit expressions for all the amplitudes associated with the supersymmetric contributions coming from gluinos, charginos and neutralinos in the model to one-loop level. The branching ratio is enhanced significantly compared to the standard model and minimal supersymmetric standard model values by contributions from the right-handed gaugino and squark sector. We give numerical results coming from the leading order contributions. If the only source of flavor violation comes from the CKM matrix, we constrain the scalar fermion-gaugino sector. If intergenerational mixings are allowed in the squark mass matrix, we constrain such supersymmetric sources of flavor violation. The decay $b o s gamma$ sets constraints on the parameters of the model and provides distinguishing signs from other supersymmetric scenarios. | | Source: | arXiv, hep-ph/0202154 | | Services: | Forum | Review | PDF | Favorites | |
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