Meson octet (source code)

= Meson octet
{title2=$\mathbf8_M$}

= Octet mesons
{synonym}

The pseudoscalar octet of <flavor symmetry> contains three <pions>, four <kaons> and the <Eta octet state>. In its <weight diagram>, the neutral <pion> and $\eta_8$ are separate states at the origin.