Direct CP violation in K->3pi decays induced by SUSY chromomagnetic penguins

Details Direct CP violation in K->3pi decays induced by SUSY chromomagnetic penguins Direct CP violation in K->3pi decays induced by SUSY chromomagnetic penguins

1999-11-29

arxiv.org/abs/hep-ph/9911522v1

Phys.Lett. B480 (2000) 164-170

Physics

High Energy Physics

High Energy Physics - Phenomenology

Latex, 11 pages, 1 figure

Scientific paper

10.1016/S0370-2693(00)00361-0

An analysis of the CP violating asymmetry in $K^\pm \to (3\pi)^\pm$ decays in the Standard Model and, by means of the mass insertion approximation, in a wide class of possible supersymmetric extensions, is presented. We find that the natural order of magnitude for this asymmetry is $\cO(10^{-5})$ in both cases. Within supersymmetric models effects as large as $\cO(10^{-4})$ are possible, but only in a restricted range of the relevant parameters.

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