Single-electron Born approximations for charge transfer from multielectron atoms to protons

Details Single-electron Born approximations for charge transfer from multielectron atoms to protons Single-electron Born approximations for charge transfer from multielectron atoms to protons

Jan 1976

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976phrva..13..500o&link_type=abstract

Physical Review A - General Physics, 3rd Series, vol. 13, Jan. 1976, p. 500-503. ERDA-supported research.

Physics

General Physics

37

Born Approximation, Charge Transfer, Electron Capture, Ion Atom Interactions, Nuclear Interactions, Proton Energy, Argon, Electron Transfer, Plane Waves, Scattering Cross Sections

Scientific paper

The Born approximation, including the internuclear interaction, is used to compute cross sections for the transfer of one electron from a multielectron atom to an incident proton. When the full internuclear interaction is included, the results lie far above high-energy experimental K-shell data for protons and argon. However, when only enough internuclear interaction is included so that the total projectile-target interaction goes to zero asymptotically in accordance with plane-wave functions actually used, fair agreement at high energies is obtained. The latter form of the Born approximation is compared with data on K-shell capture from helium as well as argon and with the simpler approximation of Oppenheimer and of Brinkman and Kramers (OBK), where no internuclear interaction is included. The OBK results typically lie a factor of 2 to 8 above the data, while the present Born results are within a factor of 2 of most of the existing high-velocity K-shell data.

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