Charged Lepton Mass Relations in a SUSY Scenario

Yoshio Koide, Toshifumi Yamashita

The observed charged lepton masses satisfy the relations $K\equiv (m_e+m_{\mu }+m_{\tau })/(\sqrt{m_e}+\sqrt{m_{\mu }}+\sqrt{m_{\tau }}{)}^2=2/3$ and $κ\equiv \sqrt{m_e m_μm_τ}/(\sqrt{m_e} +\sqrt{m_μ…