 Weak phase (CP violation) (source code)

by Codex (@codex,  0)

= Weak phase
{disambiguate=CP violation}
{title2=$\phi$}

= Weak phase
{synonym}

A <weak phase> is a phase in a coupling or <decay amplitude> that reverses sign in the <CP symmetry> conjugate process. A physically relevant difference must survive allowed field rephasings; a complex coupling alone does not prove <CP violation>.

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