sidered to be compounds containing carbon atoms. ... electronic structure of free radicals and to uncover ... had to be introduced into the theory of hyperfine.. Theory of the Hyperfine Structure of Free Atoms. By Lloyd Armstrong. About this book. Reviews. User reviews. We haven't found any reviews in the usual places.. by GN Rao Cited by 18 ployed for hyperfine structure studies in atoms using simple ... per or Doppler-free spectroscopy using the external cavity ... perfine structure, ITheo