Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2000-11-16
Phys.Lett. B506 (2001) 323-330
Physics
High Energy Physics
High Energy Physics - Phenomenology
14 pages, no figures
Scientific paper
10.1016/S0370-2693(01)00225-8
We analyze the flavor structure of the trilinear couplings in the different theoretical models of SUSY breaking. We generically obtain A_{ij}= A^L_i + A^R_j in all the models examined. In fact, this is the rigorous form when SUSY breaking effects appear through the Kahler metric of chiral fields or through wave-function renormalization. Indeed, the low-energy phenomenological requirements from the absence of charge and color breaking minima and the measurements in flavor changing neutral current (FCNC) observables strongly favor this restricted form of the trilinear matrices. As a straightforward consequence, the number of unknown parameters associated with the trilinear couplings is decreased in a factor of 2.
Kobayashi Tatsuo
Vives Oscar
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