Supersymmetric Lepton Flavour Violation in Low-Scale Seesaw Models

Abstract

We study a new supersymmetric mechanism for lepton flavour violation in muon and tau decays and muon -> e conversion in nuclei, within a minimal extension of the MSSM with low-mass heavy singlet neutrinos and sneutrinos. We find that the decays mu -> e gamma, tau -> e gamma and tau -> mu gamma are forbidden in the supersymmetric limit of the theory, whereas other processes, such as mu -> eee, mu -> e conversion, tau -> eee and tau -> e mu mu, are allowed and can be dramatically enhanced several orders of magnitude above the observable level by potentially large neutrino Yukawa coupling effects. The profound implications of supersymmetric lepton flavour violation for present and future experiments are discussed.

4 pages, 4 eps figures, version as to appear in the section of Rapid Communication of Physical Review D

References in corpus (3)

• Effects of new leptons in Electroweak Precision Data
• Enhanced lepton flavour violation in the supersymmetric inverse seesaw model
• Resonant τ-Leptogenesis with Observable Lepton Number Violation

Cited by in corpus (27)

• Search for Lepton Flavor Violating Tau Decays into Three Leptons with 719 Million Produced Tau+Tau- Pairs
• TeV Scale Inverse Seesaw in SO(10) and Leptonic Non-Unitarity Effects
• Muon conversion to electron in nuclei in type-I seesaw models
• Looking for the minimal inverse seesaw realisation
• Lepton Flavour Violation and theta(13) in Minimal Resonant Leptogenesis
• Charged Lepton Flavour Violation in Supersymmetric Low-Scale Seesaw Models
• Mu to e gamma and matching at mW
• Perspectives for Detecting Lepton Flavour Violation in Left-Right Symmetric Models
• Muon conversion to electron in nuclei within the $\mu \nu$SSM with a 125 GeV Higgs
• Lepton flavour violation in the MSSM: exact diagonalization vs mass expansion
• Decoupling of heavy sneutrinos in low-scale seesaw models
• Tests of Low-Scale Leptogenesis in Charged Lepton Flavour Violation Experiments
• Muon-to-Electron Conversion in Mirror Fermion Model with Electroweak Scale Non-Sterile Right-handed Neutrinos
• Lepton Dipole Moments in Supersymmetric Low-Scale Seesaw Models
• Muon conversion to electron in nuclei in Minimal R-symmetric Supersymmetric Standard Model
• Constraints from Color and/or Charge Breaking Minima in the $\nu$SSM
• Radiative Neutrino Masses in the ${\nu }_R$MSSM
• Lepton flavor violation beyond the MSSM
• Neutrino and Charged Lepton Flavour Today
• Charged LFV in a low-scale seesaw mSUGRA model
• Charged lepton flavor violation beyond minimal supersymmetry
• Leptonic probes of Alternative Left-Right Symmetric Models
• Theory and phenomenology of lepton flavor violation
• Flavour violating lepton decays in low-scale seesaws
• Radiative Dirac neutrino masses and dark matter in a $U(1{)}_{B-L}$ extended model
• Sterile neutrinos and $R_K$
• Muon conversion to an eletron in nuclei in the $B-L$ symmetric SSM