| 碰撞能量对反应Sr＋HF转动取向的影响 |
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| 引用本文： | 蔡孟秋,唐璧玉,杨国伟,杨益明,韩克利. 碰撞能量对反应Sr＋HF转动取向的影响[J]. 物理化学学报, 2001, 17(6): 521-525. DOI: 10.3866/PKU.WHXB20010610 |
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| 作者姓名： | 蔡孟秋 唐璧玉 杨国伟 杨益明 韩克利 |
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| 作者单位： | Department of Physics, Xiangtan University, Xiangtang 411105;The State Key Laboratory of Molecular Reaction Dynamics, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023 |
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| 摘 要： | 在推广LEPS势能面上，用经典轨线方法，研究了反应碰撞能量对反应Sr＋HF的转动取向的影响.计算结果与产物轨道角动量模型进行比较.计算结果表明，随着碰撞能量的增加，产物转动取向越强烈.
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| 关 键 词： | 轨线计算 推广LEPS势能面 碰撞能量 转动取向 |
| 收稿时间： | 2000-11-17 |
| 修稿时间： | 2000-11-17 |
Rotational Alignment ofthe Reaction Sr |
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| Cai Meng-Qiu,Tang Bi-Yu,YANG Guo-wei,YANG Yi-ming,Han Ke-Li. Rotational Alignment ofthe Reaction Sr[J]. Acta Physico-Chimica Sinica, 2001, 17(6): 521-525. DOI: 10.3866/PKU.WHXB20010610 |
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| Authors: | Cai Meng-Qiu Tang Bi-Yu YANG Guo-wei YANG Yi-ming Han Ke-Li |
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| Affiliation: | Department of Physics, Xiangtan University, Xiangtang 411105;The State Key Laboratory of Molecular Reaction Dynamics, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023 |
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| Abstract: | The trajectory calculations of the reaction Sr＋ HF on the extended London-Eyring-Polanyi-Sato (LEPS) potential energy surface have been carried out to study the dependence of product rotational alignment on the collision energies. The calculated results for the reaction of Sr＋ HF were compared with the predictions from the constrained product orbital angular momentum model. The final rotational angular momentum was found to be perpendicularly polarized with respect to the reagents′ relative velocity vector. The higher the collision energies are the more anisotropic is the distribution of the product rotational angular momentum vector. |
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| Keywords: | Trajectory calculation LEPS potential energy surface Collision energies Rotational alignment |
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