CP Violation in Hyperon Decays from Supersymmetry

Details CP Violation in Hyperon Decays from Supersymmetry CP Violation in Hyperon Decays from Supersymmetry

1999-09-29

arxiv.org/abs/hep-ph/9909562v1

Phys.Rev.D61:071701,2000

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages

Scientific paper

10.1103/PhysRevD.61.071701

It was pointed out recently that supersymmetry can generate flavor-changing gluonic dipole operators with sufficiently large coefficients to dominate the observed value of epsilon'/epsilon. We point out that the same operators contribute to direct CP violation in hyperon decay and can generate a CP violating asymmetry A(\Lambda^0_-) in the range probed by the current E871 experiment. Interestingly, models that naturally reproduce the relation lambda = sqrt{m_d/m_s} do not generate epsilon'/epsilon but could lead to an A(\Lambda^0_-) of O(10^{-3}).

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