Electron shake-up in two-photon excitation of core electrons of Rydberg autoionizing states.
01 January 1983
The results of a theoretical and experimental investigation of satellite line strengths in two-photon transitions to Rydberg autoionizing states in multi-electron atoms are presented. In studies of 6snd - 7sn'd two-photon transitions in Ba I, the distribution of line strengths over various final 7sn'd states for a given 6snd intitial state is found to vary dramatically as function of detuning from intermediate 6pn"d autoionizing resonances. These results indicate the influence of electron rearrangement during the multiphoton transition.