A new formula for the statistical weight for a sequence of Rydberg levels in an atom or ion

M Eriksson, H Lennerstad
2017 Journal of Physics, Conference Series  
We present a new formula for the total statistical weight of all Rydberg levels G ion (n l , n h ) for which the principal quantum number n is between higher, n h , and a lower, n l , limits. This formula can be used for all atoms in the periodic table and for all corresponding ions.
doi:10.1088/1742-6596/869/1/012010 fatcat:kdqeslclefhshpfv246a7pm3ku