Calculations of elastic electron scattering by H/sub 2/ for fixed nuclei
Journal Article
·
· Phys. Rev. A; (United States)
Cross sections for elastic electron scattering by the /sup 1/..sigma../sub g//sup +/ ground state of H/sub 2/ are computed at fixed internuclear distance 1.402a/sub 0/, for incident energies up to 13.6 eV. Variational R-matrix calculations are supplemented by asymptotic distorted-wave calculations for higher partial waves and by a residual Born-approximation sum for the polarization potential. Polarization response is treated dynamically, using /sup 1/Pi/sub u/ and /sup 1/..sigma../sub u//sup +/ polarization pseudostates obtained by variational calculations. Pseudostate closed channels are included in the coupled equations integrated outside an R-matrix sphere.
- Research Organization:
- IBM Almaden Research Center, 650 Harry Road, San Jose, California 95120-6099
- OSTI ID:
- 5174494
- Journal Information:
- Phys. Rev. A; (United States), Journal Name: Phys. Rev. A; (United States) Vol. 34:4; ISSN PLRAA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
640304* -- Atomic
Molecular & Chemical Physics-- Collision Phenomena
74 ATOMIC AND MOLECULAR PHYSICS
COLLISIONS
CROSS SECTIONS
DISTORTED WAVE THEORY
ELASTIC SCATTERING
ELECTRON COLLISIONS
ELECTRON-MOLECULE COLLISIONS
ELEMENTS
ENERGY LEVELS
GROUND STATES
HYDROGEN
MATRICES
MOLECULE COLLISIONS
NONMETALS
POLARIZATION
R MATRIX
SCATTERING
VARIATIONAL METHODS
Molecular & Chemical Physics-- Collision Phenomena
74 ATOMIC AND MOLECULAR PHYSICS
COLLISIONS
CROSS SECTIONS
DISTORTED WAVE THEORY
ELASTIC SCATTERING
ELECTRON COLLISIONS
ELECTRON-MOLECULE COLLISIONS
ELEMENTS
ENERGY LEVELS
GROUND STATES
HYDROGEN
MATRICES
MOLECULE COLLISIONS
NONMETALS
POLARIZATION
R MATRIX
SCATTERING
VARIATIONAL METHODS