Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2003-06-11
Phys.Rev. D70 (2004) 035012
Physics
High Energy Physics
High Energy Physics - Phenomenology
revtex4, 36 pages, 10 figures
Scientific paper
10.1103/PhysRevD.70.035012
We study effects of supersymmetric particles in various rare B decay processes as well as in the unitarity triangle analysis. We consider three different supersymmetric models, the minimal supergravity, SU(5) SUSY GUT with right-handed neutrinos, and the minimal supersymmetric standard model with U(2) flavor symmetry. In the SU(5) SUSY GUT with right-handed neutrinos, we consider two cases of the mass matrix of the right-handed neutrinos. We calculate direct and mixing-induced CP asymmetries in the b to s gamma decay and CP asymmetry in B_d to phi K_S as well as the B_s--anti-B_s mixing amplitude for the unitarity triangle analysis in these models. We show that large deviations are possible for the SU(5) SUSY GUT and the U(2) model. The pattern and correlations of deviations from the standard model will be useful to discriminate the different SUSY models in future B experiments.
Goto Toru
Okada Yasuhiro
Shimizu Yasuhiro
Shindou Tetsuo
Tanaka Minoru
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