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Dynamical relativistic effects in photoionization: spin-orbit-resolved angular distributions of xenon 4d
1Department of Chemistry, University of Nevada, Las Vegas, NV 89154-4003, USA.
Physical Review Letters
|October 3, 2001
Abstract:
Two decades ago, it was predicted [Y. S. Kim et al., Phys. Rev. Lett. 46, 1326 (1981)] that relativistic effects should alter the dynamics of the photoionization process in the vicinity of Cooper minima. The present experimental and theoretical study of the angular distributions of Xe 4d(3/2) and 4d(5/2) photoelectrons demonstrates this effect for the first time. The results clearly imply that relativistic effects are likely to be important for intermediate- Z atoms at most energies.