原子与分子物理学报, 2006, 23 (2): 227, 网络出版: 2006-10-17  

0.5 eV时H++D2(v=0,j=0) 反应的微分、积分截面

Differential and integral cross sections for H++D2(v=0, j=0) at 0.5 eV
作者单位
1 南华大学核科学技术部,衡阳,421001
2 湘潭大学材料与光电物理学院,湘潭,411105
3 中国科学院大连化学物理研究所分子反应动力学国家重点实验室,大连,116023
摘要
基于ab initio势能面(KBNN PES)[1],用耦合通道超球坐标理论研究了碰撞能等于0.5 eV时H++D2(v=0,j=0)的积分,微分截面.对于反应性碰撞,计算的积分截面表明由于深势阱的存在使得这一绝热反应产物的分布表现出一种近似的统计行为.计算的微分截面反映该体系存在着长寿命的中间络合物;对于非反应性碰撞(传能过程),平动-平动传能过程更有效,且其积分截面随着转动量子数的增大而显著减少.通过反应性碰撞和非反应性碰撞积分截面的比较,发现在低能碰撞情况,非反应性碰撞更容易进行.
Abstract
参考文献

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左国平, 唐壁玉, 周剑良, 陆瑞峰, 楚天舒. 0.5 eV时H++D2(v=0,j=0) 反应的微分、积分截面[J]. 原子与分子物理学报, 2006, 23(2): 227. 左国平, 唐壁玉, 周剑良, 陆瑞峰, 楚天舒. Differential and integral cross sections for H++D2(v=0, j=0) at 0.5 eV[J]. Journal of Atomic and Molecular Physics, 2006, 23(2): 227.

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