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|Paper IPM / P / 11282||
It has recently been shown that by measuring the transverse polarizations of the final particles in μ− → e− e+ e−, it is possible to extract information on the phases of the effective couplings leading to this decay. We examine this possibility within the context of R-parity violating Minimal Supersymmetric Standard Model (MSSM) in which the μ− → e− e+e− process can take place at a tree level. We demonstrate how a combined analysis of the angular distribution of the emitted
positrons and their transverse polarization can determine the CP-violating phases of the trilinear R-parity violating Yukawa couplings.
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