Total and differential cross-section calculations for the double photoionization of the helium 1s2s {sup 1,3}S states
作者： J. Colgan , M. S. Pindzola
DOI: 10.1103/PHYSREVA.67.012711
关键词: Double ionization 、 Coupling (probability) 、 Measure (mathematics) 、 Helium 、 Atomic physics 、 Physics 、 Excited state 、 Photoionization 、 Metastability 、 Ground state
摘要: We apply the time-dependent close-coupling method to double photoionization of helium from its 1s2s {sup 1,3}S metastable states. Total integral cross sections are in excellent agreement with other nonperturbative theories. Single and triple differential also presented which show interesting differences previous calculations 1s{sup 2} ground state helium. This set provides a goal for experimentalists measure absolute total angular ionization processes excited states atoms.
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