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Paper   IPM / Physic / 11282
School of Physics
  Title:   Extracting the CP-Violating Phases of Trilinear R-Parity Violating Couplings from μ→ eee
1.  Y. Farzan
2.  S. Najjari
  Status:   Published
  Journal: Phys. Lett. B
  Vol.:  690
  Year:  2010
  Pages:   48-56
  Supported by:  IPM
It has recently been shown that by measuring the transverse polarizations of the final particles in μe 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 μe 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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