Supersymmetric origin of a low $a_{J/ψ}$ CP asymmetry

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  • 8 December 2000
Abstract
We show that general Minimal Supersymmetric extensions of the Standard Model (MSSM) allow for a CP asymmetry in B --> J/psi K(S) well bellow the SM expectations with dominant Supersymmetric contributions to epsilon_K and epsilon'/epsilon. Indeed, we provide an explicit example of an MSSM with non-universal soft breaking terms fully consistent with the low results of this asymmetry recently reported by Babar and Belle collaborations.

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