Isotope Effect in Collision Between Helium Atom and Hydrogen Molecule

Chin. Phys. Lett.

1998, Vol. 15

Issue (1): 19-20 DOI:

Original Articles

Isotope Effect in Collision Between Helium Atom and Hydrogen Molecule

YANG Xiang-dong^1,2;ZHANG Ji-yan^1,2;JlNG Fu-qian

¹Laboratory for Shock Wave and Detonation Physics Research, Southwest Institute of Fluid Physics, P.O.Box 523, Chengdu 610003 ²Institute of Atomic and Molecular Science under High Temperature and High Pressure, Sichuan Union University, Chengdu 610065

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YANG Xiang-dong, ZHANG Ji-yan, JlNG Fu-qian 1998 Chin. Phys. Lett. 15 19-20

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Abstract Rotationally inelastic He-H₂, D₂, T₂ collision was studied quantum-mechanically. Converged cross sections were calculated by using the close coupling method for relative kinetic energies of 0.01 to 0.54 eV. Born-Oppenheimer approximation was employed to determine the potential surface of He-D₂, He-T₂, and He-H₂. Careful comparison between the cross sections of the isotopically substituted systems was carried out, and the regular changes of the total cross sections of the isotopically substituted He-H₂ colliding systems were obtained.

Keywords: 34.90.+q

Published: 01 January 1998

PACS:

34.90.+q

(Other topics in atomic and molecular collision processes and interactions)

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y1998/V15/I1/019

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