- qspec.models.hf_trans ( i , j_l , j_u )[source]
Calculate all allowed hyperfine transitions and their hyperfine coefficients.
- Parameters:
-
- iquant_like
The nuclear spin $I$.
- j_lquant_like
The total lower state electron angular momentum $J$.
- j_uquant_like
The total upper state electron angular momentum $J^\prime$.
- Returns:
-
- transitionslist[list[tuple]]