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Direct CP asymmetry of b -> s gamma and b -> d gamma in models beyond the Standard Model | | A.G. Akeroyd
; S. Recksiegel
; | | Date: |
6 Feb 2002 | | Journal: | Nucl.Phys.Proc.Suppl. 111 (2002) 276-278 | | Subject: | hep-ph | | Affiliation: | KIAS) and S. Recksiegel (KEK | | Abstract: | We study the direct CP asymmetry of the decays b -> s gamma and b -> d gamma in the context of two models: i) a supersymmetric (SUSY) model with unconstrained SUSY phases, and ii) a model with a single generation of vector quarks. In both the above models we show that b -> d gamma can sizeably influence the combined asymmetry (i.e. that of a sample containing both b -> s gamma and b -> d gamma), and in case (ii) may in fact be the dominant contribution. | | Source: | arXiv, hep-ph/0202044 | | Services: | Forum | Review | PDF | Favorites | |
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