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Amid uncertainty about the nature of neutrinos, we adopt the Dirac framework and construct a \(\varDelta (27)\) based model that avoids the seesaw mechanism and fine tuning of Yukawa couplings to explain neutrino masses. The model successfully explains the hierarchical structure of the fermion masses, and the corresponding mixing scheme, governed by a single parameter, aligns well with experimental data.

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Neutrino Masses and Mixing in a  \(\varDelta (27)\) Symmetric Dirac Model

  • 会议论文

  • 发表日期：

    2025年

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  • Manash Dey,
  • Subhankar Roy

摘要

Amid uncertainty about the nature of neutrinos, we adopt the Dirac framework and construct a \(\varDelta (27)\) based model that avoids the seesaw mechanism and fine tuning of Yukawa couplings to explain neutrino masses. The model successfully explains the hierarchical structure of the fermion masses, and the corresponding mixing scheme, governed by a single parameter, aligns well with experimental data.