RESONANCE CONTRIBUTION TO 1s-2s ELECTRON-IMPACT EXCITATION OF He+ ION |
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| Institution: | Department of Physics, Northwest Normal University, Lanzhou 730070, China; Institute of Applied Physics and Computational Mathematics, Beijing 100088, China; Graduate School of University of Science and Technology of China, Beijing 100039, China |
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| Abstract: | In the frame of quantum defect theory, the resonance excitation cross sections of 1s-2s electron-impact excitation of He+ ion are calculated by a simple relativistic configuration interaction method. The present theoretical results are in agreement with the previous experimental measurements . |
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