Zero-energy Born exchange amplitude for electron-helium scattering
- Citation:
- Ho, YK. 1977. Zero-energy Born exchange amplitude for electron-helium scattering. Journal of Physics B: Atomic and Molecular Physics. 10:L149., Number 5
Abstract:
The zero-energy Born exchange amplitude for electron-helium scattering in the forward direction has been calculated using a multi-parameter Hylleraas-type wavefunction. Up to 125 terms are used and the result is extrapolated to be 3.9430+or-0.0016. The present calculation substantiates the conclusion reached in several recent papers that the zero-energy form of the Gerjuoy-Krall dispersion relation (1960, 1962) does not hold for e - -He scattering.
Notes:
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