DOUBLE DIFFERENTIAL CROSS SECTIONS FOR ELECTRON IMPACT IONIZATION OF HELIUM
Yao Yun-fei (姚云飞)a, Chen Zhang-jin (陈长进)b
a Department of Mathematics, Fuyang Teacher's College, Fuyang 236032, China; b Department of Physics, Anhui University, Hefei 230029, China; Laboratory of Electron Collision Spectroscopy, University of Science and Technology of China, Hefei 230027, China
Abstract The double differential cross sections for electron impact ionization of helium at incident energies of 200 eV, 100 eV and 64.6 eV have been calculated in the BBK model. The present results are found to be in generally good agreement with the latest measurements of R$\ddot{\rm o}$der et al. and the theoretical results of the convergent close-coupling method although some quantitative discrepancy remains.
Received: 27 July 1998
Revised: 21 October 1998
Accepted manuscript online:
Fund: Project supported by the National Natural Science Foundation of China (Grant No. 19634040) and the Education Foundation of Anhui province (Grant No. 97JL101).
Cite this article:
Yao Yun-fei (姚云飞), Chen Zhang-jin (陈长进) DOUBLE DIFFERENTIAL CROSS SECTIONS FOR ELECTRON IMPACT IONIZATION OF HELIUM 1999 Acta Physica Sinica (Overseas Edition) 8 167
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