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TARGET ATOM EXCITATIONS IN COLLISIONS OF He+ AND He2+ WITH Li AT q×(20——150) keV

LIU JIA-RUI LEI ZI-MING YANG FENG PAN GUANG-YAN SUN XIANG WANG DUAN-WEI YU DE-HONG

TARGET ATOM EXCITATIONS IN COLLISIONS OF He+ AND He2+ WITH Li AT q×(20——150) keV

LIU JIA-RUI, LEI ZI-MING, YANG FENG, PAN GUANG-YAN, SUN XIANG, WANG DUAN-WEI, YU DE-HONG
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  • Received Date:  24 December 1988
  • Published Online:  08 July 2005

TARGET ATOM EXCITATIONS IN COLLISIONS OF He+ AND He2+ WITH Li AT q×(20——150) keV

  • 1. (1)中国科学院物理研究所; (2)中国科学院物理研究所,北京师范大学物理系; (3)中国科学院物理研究所,曲阜师范大学激光研究所

Abstract: Target atom excitations in collisions of He+ and He2+ with Li have been studied by optical measurement in the energy range q×(20-150) keV. We have measured Lil 670.8 nm (2p→2s), Lil 610.4 nm (3d→2p), Lil 460.3 nm (4d→2p) and Lil 812.6 nm (3s→2p) emission lines by using an OMA system. The emission cross sections of the observed lines and corresponding Li(2p) excitation cross sections have been calculated. For He+ +Li collision system, Lil 670.8 nm emission cross sections linked well with the results of Aumayr et al. at the low energy points. Our Lil 670.8 nm emission cross sections of He2++Li collision system agrees well with both the theory of Ermolaev er al. and the experimental results of Kadota et al. within the experimental errors.

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