BNL-HET-98/44, TTP 99-03, hep-ph/9901394 Positronium S state spectrum: analytic results at O(mα 6)
BNL-HET-98/44, TTP 99-03, hep-ph/9901394 Positronium S state spectrum: analytic results at O(mα 6)
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BNL-HET-98/44、TTP 99-03、hep-ph/9901394 正电子 S 态谱:O(mα 6) 时的分析结果
DOI:
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发表时间:
1999
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通讯作者:
A. Yelkhovsky
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作者:
A. Czarnecki;K. Melnikov;A. Yelkhovsky
We present an analytic calculation of the O(mα6) recoil and radiative recoil corrections to energy levels of positronium nS states and their hyperfine splitting. A complete analytic formula valid to O(mα6) is given for the spectrum of S states. Technical aspects of the calculation are discussed in detail. Theoretical predictions are given for various energy intervals and compared with experimental results. PACS numbers: 36.10.Dr, 06.20.Jr, 12.20.Ds, 31.30.Jv e-mail: czar@quark.phy.bnl.gov e-mail: melnikov@particle.physik.uni-karlsruhe.de e-mail: yelkhovsky@inp.nsk.su 1