Decay width
= Decay width
{title2=$\Gamma$}
In units with $\hbar=1$, the inverse lifetime of an unstable particle. A <neutral meson mixing> effective <Hamiltonian operator> incorporates decay through its anti-Hermitian part $-i\Gamma/2$.
= Decay width
{title2=$\Gamma$}
In units with $\hbar=1$, the inverse lifetime of an unstable particle. A <neutral meson mixing> effective <Hamiltonian operator> incorporates decay through its anti-Hermitian part $-i\Gamma/2$.