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The electron impact excitation of the 21P state of helium in the eikonal-Born series approximation [7]

par Joachain, Charles ;Winters, Keith K.H.
Référence Journal of Physics B: Atomic and Molecular Physics, 10, 18, page (L727-L730), 010
Publication Publié, 1977

Article révisé par les pairs

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Résumé :

The eikonal-Born series approximation is used to study the excitation of the 21P state of helium by 200-500 eV electron impact. The differential cross sections are in excellent agreement with recent absolute measurements, particularly at the higher energies. In contrast to this, further work is required to obtain satisfactory values of the angular correlation parameters.