Helium Excitation Cross Sections near Threshold
- 15 June 1957
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 106 (6), 1182-1185
- https://doi.org/10.1103/PhysRev.106.1182
Abstract
The cross section for excitation by incident electrons of the metastable level of He has been fitted by using a Breit-Wigner one-level formula. The fit is very good. The significance of this result and its bearing on the energy dependence of the cross section near threshold are discussed.
Keywords
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