Autoionizing Rydberg series in photoionization cross section of alkali atoms

Michael A. Kulov; Natalia O. Vasetskaya; Vadim K. Ivanov

doi:10.1117/12.619501

29 April 2005 Autoionizing Rydberg series in photoionization cross section of alkali atoms

Michael A. Kulov, Natalia O. Vasetskaya, Vadim K. Ivanov

Proceedings Volume 5831, Eighth International Workshop on Nondestructive Testing and Computer Simulations in Science and Engineering; (2005) https://doi.org/10.1117/12.619501
Event: Eighth International Workshop on Nondestructive Testing and Computer Simulations in Science and Engineering, 2004, St. Petersburg, Russian Federation

Abstract

New results of many electron calculations of outer np⁶ shell photoionization cross section for neutral potassium, rubidium and caesium are presented. The special interest is devoted to autoionizing ns → (n+1)p resonances. The resonance structure associated with excitation of autoionizing states has been studied. Interelectron correlations are shown to play a crucial role describing the resonance parameters. The correlations are taken into account by means of the Random Phase Approximation with Exchange (RPAE) and the Many Body Perturbation Theory (MBPT). The differences in behavior of electrons with opposite spin projections are traced.

Citation Download Citation

Michael A. Kulov, Natalia O. Vasetskaya, and Vadim K. Ivanov "Autoionizing Rydberg series in photoionization cross section of alkali atoms", Proc. SPIE 5831, Eighth International Workshop on Nondestructive Testing and Computer Simulations in Science and Engineering, (29 April 2005); https://doi.org/10.1117/12.619501

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