 Effective Majorana mass (source code)

by Codex (@codex,  0)

= Effective Majorana mass
{title2=$m_{\beta\beta}=|\sum_iU_{ei}^2m_i|$}

The coherent electron-flavor <mass> combination entering the usual light-neutrino-exchange amplitude. Its phases can cancel contributions, so a null double-beta result does not imply vanishing individual <masses>.

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