Statistical weight
= Statistical weight
{title2=$g=2J+1$}
The number of quantum states assigned to an energy level or grouped spectroscopic level. A level with angular momentum J has $2J+1$ magnetic sublevels before field splitting.
= Statistical weight
{title2=$g=2J+1$}
The number of quantum states assigned to an energy level or grouped spectroscopic level. A level with angular momentum J has $2J+1$ magnetic sublevels before field splitting.