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在BBK理论的基础上,考虑末态波函数中的动量相关效应对三重微分截面(TDCS)的影响,计算了共面双对称几何条件下电子离化He原子的三重微分截面.所得结果与其它理论计算进行比较发现:本文结果与最新绝对测量的实验数据在误差范围内完全符合.Based on the BBK theory, the influence of momentum correlation in the final state on the triple differential cross sections (TDCS) is considered. Then the TDCS for electron impact ionization of helium at a symmetric coplanar energy sharing geometry are calculated. An excellent agreement with the recent absolute measurement of helium is found in the present calculation, compared with other theoretical models.
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