Light-by-light scattering contributions to positronium decay rates

被引：18
|
作者：
Adkins, G.S. [1 ,1 ]
Fell, R.N. [1 ,1 ]
Sapirstein, J. [1 ,1 ]
机构：
[1] Franklin and Marshall College, Lancaster, PA 17604, United States
来源：
Physical Review A. Atomic, Molecular, and Optical Physics | 2001年 / 63卷 / 03期
关键词：
Graph theory - Integration - Light polarization - Light scattering - Photons - Positrons;
D O I：
10.1103/PhysRevA.63.032511
中图分类号：
学科分类号：
摘要：
The effects of final-state light-by-light scattering on the parapositronium and orthopositronium decay rates are evaluated. The light-by-light graphs have both real and imaginary parts and are evaluated based only on the real part of photons. Two permutations of the final state photons are used to form a pseudoscalar from the photon polarizations.
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页码：325111 / 325115
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