Lepton flavor-changing processes in R-parity violating MSSM: Z->l_i l_j and γγ->l_i l_j under new bounds from l_i->l_j γ

Details Lepton flavor-changing processes in R-parity violating MSSM: Z->l_i l_j and γγ->l_i l_j under new bounds from l_i->l_j γ Lepton flavor-changing processes in R-parity violating MSSM: Z->l_i l_j and γγ->l_i l_j under new bounds from l_i->l_j γ

2009-08-31

arxiv.org/abs/0908.4556v2

Nucl.Phys.B829:370-382,2010

Physics

High Energy Physics

High Energy Physics - Phenomenology

Version in Nucl.Phys.B (discussions added)

Scientific paper

10.1016/j.nuclphysb.2009.12.016

We examine the lepton flavor-changing processes in R-parity violating MSSM. First, we update the constraints on the relevant R-violating couplings by using the latest data on the rare decays l_i->l_j \gamma. We find that the updated constraints are much stronger than the old ones from rare Z-decays at LEP. Then we calculate the processes Z->l_i l_j and \gamma\gamma->l_i l_j. We find that with the updated constraints the R-violating couplings can still enhance the rates of these processes to the sensitivity of GigaZ and photon-photon collision options of the ILC.

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