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Correlated Transitions in Atom with Two Inner-Shell Vacancies

  • V. V. Afrosimov
  • A. P. Shergin
Conference paper

Abstract

It is known, that collisions between many-electron atoms represent an effective means for the creation of two or more vacancies in the inner electron shells. Due to the quasimoleculaf mechanism of the interaction the cross-sections for the creation of two vacancies can reach up to 10-19 - 10-17 cm2 , i.e. the value of the geometrical cross-section of an inner shell. The main channels of the two-vacancy state decay are the conventional Auger and radiative transitions, when the filling of each of the vacancies occurs independently and is accompanied by the ejection of an Auger electron or photon. A study of the energy spectra of Auger electrons and X-ray photons created in atomic collisions resulted in a discovery of decay channels of another type, namely, of correlated transitions in an, atom with two inner-shell vacancies.

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Copyright information

© Springer Science+Business Media New York 1979

Authors and Affiliations

  • V. V. Afrosimov
    • 1
  • A. P. Shergin
    • 1
  1. 1.A.F.Ioffe Physical-Technical InstituteAcademy of Sciences of the USSRLeningradUSSR

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