CP Violation in Hyperon Decays from Supersymmetry
He, Xiao-Gang · Murayama, Hitoshi · Pakvasa, Sandip · Valencia, G.
Original · EN
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(Λ⁰-) in the range probed by the current E871 experiment. Interestingly, models that naturally reproduce the relation lambda = sqrtmd/mₛ do not generate epsilon'/epsilon but could lead to an A(Λ⁰-) of O(10⁻³).
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