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CP Violation in the Width Difference of the Scalar Electron Decay due to Complex Gaugino Masses

arXiv:hep-ph/9808252 · doi:10.1016/S0370-2693(98)01366-5

Abstract

We calculate the width difference of the scalar electron decay, $Γ(\tilde e_L \to e_Lω) - Γ({\bar{\tilde e}}_L \to \bar e_Lω)$ in the softly broken supersymmetrized standard model. The CP asymmetry is assumed to arise from the complex gaugino masses. Even in limit that the electron mass $m_e$ is vanishing, the difference can be of the order of $α$.

7 pages, 2 figs. LaTeX