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arXiv 1402.0876hep-ph
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电子偶素超精细分裂对${\cal O}(α^7m_e)$的单光子湮没贡献

Hyperfine splitting in positronium to ${\cal O}(α^7m_e)$: one-photon annihilation contribution

Marc Baker, Peter Marquard, Alexander Penin, Jan Piclum, Matthias Steinhauser

摘要:

本文给出了${\cal O}(α^7m_e)$单光子湮没对电子偶素基态能级超精细分裂的贡献的完整结果。在数值上,它将量子电动力学的预测提高了$217\pm 1$ kHz。

英文摘要:

We present the complete result for the ${\cal O}(α^7m_e)$ one-photon annihilation contribution to the hyperfine splitting of the ground state energy levels in positronium. Numerically it increases the prediction of quantum electrodynamics by $217\pm 1$ kHz.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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