Answers are grounded in this paper and cite their sources.
The evaluation of quantum defects and scattering lengths is discussed and formulae relating these quantities are derived using first-order perturbation theory and effective range theory.
No takes yet. Share an insight, caveat, or question.
B L Moiseiwitsch (1963) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: