ADDENDUM TO VARIATIONAL BOUNDS IN POSITRON-ATOM SCATTERING

被引:12
|
作者
DRACHMAN, RJ
机构
[1] Laboratory for Theoretical Studies, Goddard Space Flight Center, National Aeronautics and Space Administration, Greenbelt
来源
PHYSICAL REVIEW | 1969年 / 179卷 / 01期
关键词
D O I
10.1103/PhysRev.179.237
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
Two additional positron-atom processes are treated using previously determined [Phys. Rev. 173, 190 1968] variational scattering functions: (1) Positronium formation in e+-H collisions at threshold, and (2) the angular correlation between e+-He annihilation quanta at zero energy. In case (1), we find a large reduction below the Born approximation, in qualitative agreement with other recent theoretical work. In case (2), very close agreement is found with the experiment of Briscoe et al. © 1969 The American Physical Society.
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页码:237 / &
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