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Influence of He isotope on the differential cross section for He-NO collision system

Wang Rong-Kai Shen Guang-Xian Song Xiao-Shu Linghu Rong-Feng Yang Xiang-Dong

Influence of He isotope on the differential cross section for He-NO collision system

Wang Rong-Kai, Shen Guang-Xian, Song Xiao-Shu, Linghu Rong-Feng, Yang Xiang-Dong
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Publishing process
  • Received Date:  19 September 2007
  • Accepted Date:  21 November 2007
  • Published Online:  20 July 2008

Influence of He isotope on the differential cross section for He-NO collision system

  • 1. (1)贵州师范大学理学院,贵阳 550001; (2)贵州师范大学理学院,贵阳 550001;四川大学原子与分子物理研究所,成都 610065; (3)四川大学原子与分子物理研究所,成都 610065

Abstract: The total differential cross section, elastic differential cross section and inelastic differential cross section for collision between He isotopic atoms and NO molecule have been calculated by using close-coupling approximation method. The influence of He isotope on the differential cross section for He-NO collision system has been given. The calculated result shows that the total differential cross section at 0 degree increases, and rainbow phenomenon of collision of He isotopic atoms with NO molecule is more evident along with increase of incident He isotope mass at identical incident energy. At the same time, the effect of increased reduced mass is larger than the effect of diminished relative velocity of collision between He atom and NO molecule, and enables the scattering spacing of the oscillation to gradually decrease.

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