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TARGET ATOM EXCITATIONS IN COLLISIONS OF He+ AND He2+ WITH Na AT q×(20——140) 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 Na AT q×(20——140) 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 Na AT q×(20——140) 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: We have studied the target atom excitations in the collisions of He+ and He2+ with Na in the energy range ot q×(20-140) keV by optical measurements. The Nal 589.0 + 589.6 nm (3p→3s), Nal 818.3nm (3d→3p) and Nal 568.8 nm(4d→3p) lines for He+ + Na collision system have been observed by an OMA system. In He2+ + Na collision system, only Nal 589.0 + 589.6 nm line was observed. The emission cross sections of the Nal lines observed and Na (3p) excitation cross sections are calculated. An obvious effect of coulomb potential of projectile ions on the target excitation has been observed.

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