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

Abstract

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 γ. 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 γγ->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.

Version in Nucl.Phys.B (discussions added)

References in corpus (5)

• SUSY-induced FCNC top-quark processes at the Large Hadron Collider
• Probing R-parity Violating Interactions from Top Quark Polarization at LHC
• Top quark three-body decays in the R-parity violating MSSM
• QCD corrections to the R-parity violating processes $p\bar{p}/pp\to e\mu +X$ at hadron colliders
• Two-loop neutrino masses with large R-parity violating interactions in supersymmetry

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• Probing lepton flavor violation signal via e+ e- (gamma gamma) ---> l(i) anti-l(j) in the littlest Higgs model with T-parity at the ILC
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• Lepton flavor violating signals of the LHT model via e^{+}e^{-} and γγcollisions at the ILC
• Leptogenesis in supersymmetry with one $L$ violating coupling
• The lepton flavor violating signal of the charged scalar ϕ^\pm and ϕ^{\pm\pm} in photon-photon collision at the ILC