Combined Analysis of Electric Dipole Moments and Lepton Flavor Violating Rare Decays

Abstract

In the context of general Minimal Supersymmetric Standard Model (MSSM), new sources for Lepton Flavor Violation (LFV) as well as CP-violation appear. We show that in the presence of LFV sources, the electric dipole moment of the electron ($d_e$) can receive new contributions. In particular, $d_e$ can receive a significant contribution at one loop level from the phase of the trilinear $A$-term of the staus, $\phi_{A_\tau}$. We discuss how we can derive information on $\phi_{A_\tau}$ by combining the information on $d_e$ with that on the LFV decay modes of the $\tau$ lepton. We then discuss if this approach can be considered as an alternative to the direct measurement of $\phi_{A_\tau}$ at ILC.