CP violation in chargino decays in the MSSM
Wei Min Yang, Dong Sheng Du
Abstract
In the minimal supersymmetric standard model (MSSM) with complex parameters, supersymmetric loop effects can lead to CP violation. We calculate the rate asymmetries of decays of charginos into the lightest neutralino and a W boson on the basis of the most important loop contributions in the third generation squark sectors. It turns out that the CP violating asymmetries can be a few per cent in typical regions of the parameter space of the MSSM. These processes would provide very promising channels for probing CP violation in the MSSM at future high-energy colliders.
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