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| He-HCl体系散射截面随能量变化规律的研究 | |
| 引用本文： | 张杰,余春日,江贵生,汪荣凯,杨向东.He-HCl体系散射截面随能量变化规律的研究[J].四川大学学报(自然科学版),2006,43(2):382-387. |
| 作者姓名： | 张杰 余春日 江贵生 汪荣凯 杨向东 |
| 作者单位： | 1. 安庆师范学院物理与电气工程学院,安徽,安庆,246011 2. 安庆师范学院物理与电气工程学院,安徽,安庆,246011;四川大学原子与分子物理研究所,成都,610065 3. 贵州师范大学理学院,贵阳,550001;四川大学原子与分子物理研究所,成都,610065 4. 四川大学原子与分子物理研究所,成都,610065 |
| 基金项目： | 安徽省教育厅自然科学基金;; 973重大基础研究基金(5134202-04);; 国家自然科学基金(10574096) |
| 摘 要： | 作者首先以拟合在CCSD(T)/aug-cc-pVQZ理论水平下计算的He-HCl相互作用能数据,获得了He-HCl体系相互作用的各向异性势,并与其它势模型进行了比较,验证了拟合势的可靠性;然后采用密耦近似方法,计算了He-HCl碰撞体系在不同碰撞能量下的微分散射截面、分波散射截面和总截面,得到了散射截面随能量变化的规律.研究表明:小角散射几率大于大角散射几率;碰撞能量越高,体系的散射几率越小,量子效应越不显著,尾部效应越弱,得到收敛的分波截面所需的分波数也越多. |
| 关 键 词： | 相互作用势 密耦近似 散射截面 |
| 文章编号： | 0490-6756（2006）02-0382-06 |
| 收稿时间： | 2005-12-26 |
| 修稿时间： | 3/8/2005 12:00:00 AM |
The Study of Law Concerning the Changes of the Scattering Cross Sections with Energies for He-HCl System |
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| ZHANG Jie,YU Chun-ri,JIANG Gui-sheng,WANG Rong-kai,YANG Xiang-dong.The Study of Law Concerning the Changes of the Scattering Cross Sections with Energies for He-HCl System[J].Journal of Sichuan University (Natural Science Edition),2006,43(2):382-387. | |
| Authors: | ZHANG Jie YU Chun-ri JIANG Gui-sheng WANG Rong-kai YANG Xiang-dong |
| Institution: | School of Physics & Electric Engineering; Anqing Teachers College,School of Physics & Electric Engineering; Anqing Teachers College,Institute of Atomic and Molecular Physics; Sichuan University,School of Physics & Electric Engineering; Anqing Teachers College,School of Physics and Chemistry; Guizhou Normal University,Institute of Atomic and Molecular Physics; Sichuan University |
| Abstract: | The anisotropic interaction potential for He-HCl system has been obtained by fitting the interaction energy data,which are calculated at the theoretical level of the single and double excitation coupled-cluster method with noniteractive perturbation treatment of triple excitation CCSD(T).And the reliability of the fitted potential is confirmed by comparing it with other potential models.Then the differential scattering cross sections,partial and total scattering cross sections under different energies for c... |
| Keywords: | interaction potential close-coupling approximation scattering cross sections |
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