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Inner Shell Ionization Produced by the Compton Effect
D. E. Charlton
Vol. 88, No. 2 (Nov., 1981), pp. 420-425
Published by: Radiation Research Society
Stable URL: http://www.jstor.org/stable/3575674
Page Count: 6
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The creation of inner-shell vacancies in atoms via the Compton effect is discussed. It is shown that the Klein-Nishina approximation leads to a simple vacancy distribution among the shells, independent of the photon energy. When atomic binding effects are taken into account an energy-dependent distribution can be calculated which tends to the Klein-Nishina results at higher photon energies. The inner-shell vacancies produce a potential energy on the ionized atom which is not necessarily small when compared with the recoil energy of the emitted electron. This additional effect contributes to a more complete description of mechanisms by which energy is transferred by the Compton interaction. Calculations are performed for aluminum exposed to photons with energies from 10 to 500 keV.
Radiation Research © 1981 Radiation Research Society