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j_z-CONSERVING CSWP APPROXIMATE THEORY FOR ATOM MOLECULE SCATTERING
Author(s): 
Pages: 42-47
Year: Issue:  3
Journal: Yantai Teachers University journal(Natural Science

Keyword:  atom-molecule scatteringj-conserving CSWP approximationculculation;
Abstract: 把Coupled States(CS)近似应用于分子散射的波包(WP)理论中,导出了原子与双原子分子散射振幅和散射截面的CSWP近似表达式,该表达式中的势能矩阵关于j_z对角,角向和径向部分可利用3-j符号及一势能积分精确得到,避开了CS近似在计算势能矩阵时直接取近似所带来的较大误差.
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