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Calculation of the Scattering Amplitude Without Partial Wave ExpansionTwo developments in the direct calculation of the angular differential scattering amplitude have been implemented: (a) The integral expansion of the scattering amplitude is simplified by analytically integration over the azimuthal angle. (b) The resulting integral as a function of scattering angle is calculated by using the numerically generated wave function from a finite element method calculation. Results for electron-hydrogen scattering in the static approximation will be shown to be as accurate as a partial wave expansion with as many l's as is necessary for convergence at the incident energy being calculated.
Document ID
20010079654
Acquisition Source
Goddard Space Flight Center
Document Type
Conference Paper
Authors
Shertzer, J. (College of the Holy Cross Worcester, MA United States)
Temkin, Aaron (NASA Goddard Space Flight Center Greenbelt, MD United States)
Fisher, Richard R.
Date Acquired
August 20, 2013
Publication Date
January 11, 2001
Subject Category
Atomic And Molecular Physics
Meeting Information
Meeting: XXII ICPEAC
Country: Unknown
Start Date: July 18, 2001
End Date: July 24, 2001
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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