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TARGET ATOM EXCITATIONS IN COLLISIONS OF He+ AND He2+ WITH Na AT q×(20——140) keV

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

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TARGET ATOM EXCITATIONS IN COLLISIONS OF He+ AND He2+ WITH Na AT q×(20——140) keV

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

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