Calculation of cross-sections for electron-helium collisions
β Scribed by H.H. Michels; F.E. Harris; R.M. Scolsky
- Publisher
- Elsevier Science
- Year
- 1969
- Tongue
- English
- Weight
- 178 KB
- Volume
- 28
- Category
- Article
- ISSN
- 0375-9601
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Depoharization cross sections for the reaction N~'PJ,,, -+ He( 'Se) + Na2P~'m' + He( 'So) are computed using an impact parameter treatment. Comparison with experimental results is given. The esact calculation is compared to the results of a simplified model where the sodium atom is supposed to be un
the excitation by elect-on impact of the Z3S and 2'S states of helium are measured in the 194'i eV en&Y range. Several shape resonances are observed. An estimate for the 23P cross section is presented. ~OSe-COUpiiIIing ukukltions of Burke et al.'pre&ct the correct structure but overestimate the mqni