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\(A_{5}\) discrete symmetry group is used to construct a neutrino mass model that can reproduce deviation from the exact golden ratio mixing through the contribution from the charged lepton sector in the linear seesaw framework. We can obtain all the values of the neutrino oscillation parameters, including the Dirac CP-violating phase, within the current experimental bounds. The model predicts only normal neutrino mass ordering. Furthermore, we also study the charged lepton flavor violation (cLFV) process \(\mu \rightarrow e +\gamma \) . When the quasi-Dirac neutrino masses are in the (1–10) TeV range, this cLFV process is within reach of future planned experiments.

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Perturbation to Golden Ratio Mixing and Charged Lepton Flavor Violation

  • 会议论文

  • 发表日期：

    2025年

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  • Victoria Puyam,
  • Ngangkham Nimai Singh

摘要

\(A_{5}\) discrete symmetry group is used to construct a neutrino mass model that can reproduce deviation from the exact golden ratio mixing through the contribution from the charged lepton sector in the linear seesaw framework. We can obtain all the values of the neutrino oscillation parameters, including the Dirac CP-violating phase, within the current experimental bounds. The model predicts only normal neutrino mass ordering. Furthermore, we also study the charged lepton flavor violation (cLFV) process \(\mu \rightarrow e +\gamma \) . When the quasi-Dirac neutrino masses are in the (1–10) TeV range, this cLFV process is within reach of future planned experiments.