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Citation: FENG Er-Yin, HUANG Wu-Ying, DONG Shu-Bao, CUI Zhi-Feng. Theoretical Studies of Rotationally Inelastic Collisions of LiH with He[J]. Acta Physico-Chimica Sinica, ;2005, 21(03): 250-254. doi: 10.3866/PKU.WHXB20050305 shu

Theoretical Studies of Rotationally Inelastic Collisions of LiH with He

1.
Department of Physics, Anhui Normal University, Wuhu　241000;　Anhui Institute of Optics ＆ Fine Mechanics, Chinese Academy of Sciences, Hefei　230031

Received Date: 13 July 2004
Available Online: 15 March 2005

The process of rotationally inelastic collision of He-LiH complex has been discussed with close-coupling method based on the CCSD(T) potential energy surface. State-to-state partial and integral cross sections are calculated. The partial cross sections show that the transition cross sections of j=0→j′originate from the contributions of both the anisotropic short-range interaction and the long-range “soft” repulsion, while there is no evident for the long－range attraction. The state-to-state integral cross sections display an oscillatory structure. The long-range “soft” repulsion partial cross sections have only an effect on the integral cross sections for j=0→j′=1,2,3,and the cross sections for j′≥ 4 are almost decided by the anisotropic short-range partial.
- He-LiH complex; Rotationally inelastic collision; Close-coupling method; Potential energy surface
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