Calculation of higher order corrections to positronium energy levels

G. Adkins, B. Akers, Faisal Alam, Lam M. Tran, Xuan Zhang
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引用次数: 4

Abstract

We report on progress in the calculation of corrections to positronium energy levels of order m α 7 . Corrections at this level will be needed for the interpretation of the results of upcoming measurements. A procedure for the calculation of high order corrections has been developed based on the Bethe-Salpeter equation of dimensionally regularized NRQED and the method of regions. We demonstrate the effectiveness of this approach by using it to obtain all pure recoil corrections to positronium energies at O ( m α 6 ) in a unified manner.
正电子能级高阶修正的计算
我们报告了m α 7阶正电子能级修正计算的进展。为了解释即将进行的测量结果,需要在这个水平上进行修正。基于量纲正则化NRQED的Bethe-Salpeter方程和区域法,提出了一种计算高阶校正的方法。我们证明了这种方法的有效性,用它以统一的方式获得了O (m α 6)处正电子能量的所有纯反冲修正。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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