Low energy CP violation in broken supersymmetry

F. del Aguila, J. A. Grifols, A. Méndez, D. V. Nanopoulos, M. Srednicki

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Abstract

We investigate the CP violation effects in supersymmetry broken models, due to the exchange of new fermions (gauginos and higgsinos). When the real part of the K0 - K0 amplitude is compatible with the experimental value, the possible imaginary part is too small to account for the ε{lunate} parameter. In contrast, the experimental bounds on the ε{lunate}′ parameter and the electric dipole moments, and especially the θ parameter, impose in general severe constraints on the possible CP violating phases. However, in some specific models there are extra suppression factors, leaving those phases essentially unconstrained except perhaps for the θ parameter. © 1983.
Original languageEnglish
Pages (from-to)77-79
JournalPhysics Letters B
Volume129
DOIs
Publication statusPublished - 15 Sep 1983

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    del Aguila, F., Grifols, J. A., Méndez, A., Nanopoulos, D. V., & Srednicki, M. (1983). Low energy CP violation in broken supersymmetry. Physics Letters B, 129, 77-79. https://doi.org/10.1016/0370-2693(83)90732-3