Saha, S; Mandal, A; Jose, J; Varma, H R; Deshmukh, P C; Kheifets, Anatoli; Dolmatov, V K; Manson, S T
Time delay of photoemission from valence ns, np3/2, and np1/2 subshells of noble-gas atoms is theoretically scrutinized within the framework of the dipole relativistic random phase approximation. The focus is on the variation of time delay in the vicinity of the Cooper minima in photoionization of the outer subshells of neon, argon, krypton, and xenon, where the corresponding dipole matrix element changes its sign while passing through a node. It is revealed that the presence of the Cooper...[Show more]
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