Principal Investigator
W.R. Garrett
Contract Number
Contract NsG-381
Contract Name
Contract NsG-381
Agency
National Aeronautics and Space Administration
Date of Report
1965-09-01
Date of Project
1965-09
School/Organization Name
University of Alabama Research Institute
Subject Area
Electron Scattering
Document Type
Report
Abstract
The problem of low energy atomic scattering of electrons by multi-electron atoms is formulated in the adiabatic exchange approximation. The effects of target distortion by the electric field of the incident charged particle are determined by computing a polarization potential to be included in the total scattering interaction. The polarization potential is obtained through a polarized orbital calculation on atomic systems described by Hartree-Fock type wave functions. Application is made to Na and Li where electron exchange is included in the reduction of the scattering equation, and the phase shifts and total elastic scattering cross sections are obtained through the solution of a set of integrodifferential equations. Exchange effects are noted explicitly by solving the scattering equations neglecting electron exchange and comparing the computed cross sections. The total elastic scattering cross sections for Li and Na agree well with recent measurements over the entire experimental range, and are significantly better than any previously published results.
Publication Date
9-1-1965
Recommended Citation
Garrett, W. R., "Adiabatic Exchange Approximation in Electron Scattering from Multi-Electron Atoms UARI Research Report No. 19" (1965). Research Institute. 9.
https://louis.uah.edu/research-reports/9
Citizenship Confirmation
1
Sensitive Material Confirmation
1
Comments
Final Technical Report