The effect of the attractive well of the potential energy surface for Ne--HCl on rotationally inelastic partial wave cross sections |
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Authors: | Yu Chun-Ri Shi Shou-Hu Wang Rong-Kai Yang Xiang-Dong |
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Affiliation: | School of Physics & Electric Engineering, Anqing Teachers College, Anqing 246011, China; School of Physics and Materials Science, Anhui University, Hefei 230039, China; School of Science, Guizhou Normal University, Guiyang 550001, China; Institute of Atomic and Molecular Physics, Sichuan University, Chengdu 610065, China; |
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Abstract: | An interaction potential of the Ne--HCl van der Waals complex isobtained by utilizing the Huxley analytic potential function to fitthe accurate interaction energy data, which have been computed atthe coupled cluster singles and doubles including connected tripleexcitations level and with the augmented correlation consistentpolarized valence quintuple zeta basis set extended with a set of3s3p2d1f1g mid-bond functions [CCSD (T) /aug-cc-pV5Z-33211]. Theclose coupling calculation of state- o-state partial cross sectionsfor collision of Ne with HCl is first performed by employing thefitted interaction potential. This calculation is performed at theincident energies: 40, 60, 75 and 100 meV, separately. The effectsof the long-range attractive and the short-range anisotropicinteractions on the inelastic state-to-state partial cross sectionsare discussed in detail. Two maxima are present in the rotationallyinelastic partial cross sections and they originate from differentmechanisms. |
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Keywords: | potential energy surface inelastic partial wave cross sections close-coupling approach Ne-HC1 complex |
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