Multiparticle parity
= Multiparticle parity
{title2=$\eta_1\eta_2(-1)^\ell$}
The parity of a two-particle centre-of-mass state with intrinsic parities $\eta_1,\eta_2$ and relative <orbital angular momentum> $\ell$ is
$$
\eta_1\eta_2(-1)^\ell.
$$
= Multiparticle parity
{title2=$\eta_1\eta_2(-1)^\ell$}
The parity of a two-particle centre-of-mass state with intrinsic parities $\eta_1,\eta_2$ and relative <orbital angular momentum> $\ell$ is
$$
\eta_1\eta_2(-1)^\ell.
$$