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Theoretical calculation of the differential cross section for He-BH collision system

Wang Rong-Kai Shen Guang-Xian Yang Xiang-Dong

Theoretical calculation of the differential cross section for He-BH collision system

Wang Rong-Kai, Shen Guang-Xian, Yang Xiang-Dong
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Publishing process
  • Received Date:  18 August 2008
  • Accepted Date:  19 November 2008
  • Published Online:  05 April 2009

Theoretical calculation of the differential cross section for He-BH collision system

  • 1. (1)贵州师范大学化学与材料科学学院,贵阳 550001;贵州师范大学原子与分子物理研究所,贵阳 550001; (2)贵州师范大学物理与电子科学学院,贵阳 550001;四川大学原子与分子物理研究所,成都 610065;贵州师范大学原子与分子物理研究所,贵阳 550001; (3)四川大学原子与分子物理研究所,成都 610065

Abstract: For the first time, the elastic, inelastic and total differential cross sections for collision between He atom and the ground state of BH molecule have been calculated by using accepted exact close-coupling approximation method. The calculation is performed at the incident energies from 25 to 150 meV. Further, the change tendency and characteristics of the differential cross sections have been discussed. The calculated results show that the total differential cross section is the general rule and characteristics of collision between an atom and a diatomic molecule, the phenomenon of the scattering oscillation at large angles is more evident along with increase of the incident energy for low-lying rotational excitation state-to-state differential cross sections in He-BH collision system.

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