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arXiv 0909.0558hep-phphysics.atom-ph
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超精细分裂的辐射反冲修正:μ子因子中的极化插入

Radiative-Recoil Corrections to Hyperfine Splitting: Polarization Insertions in the Muon Factor

Michael I. Eides, Valery A. Shelyuto

摘要:

我们考虑了由于在μ子因子中插入单圈极化算符而引起的μ子超精细分裂的三圈辐射反冲修正。电子-μ子质量比的大对数增强了由电子极化插入产生的贡献。我们得到了所有的单对数和非对数辐射反冲修正的顺序$α^3(m/M)E_F$与电子和μ子极化插入图产生的。

英文摘要:

We consider three-loop radiative-recoil corrections to hyperfine splitting in muonium due to insertions of one-loop polarization operator in the muon factor. The contribution produced by electron polarization insertions are enhanced by the large logarithm of the electron-muon mass ratio. We obtained all single-logarithmic and nonlogarithmic radiative-recoil corrections of order $α^3(m/M)E_F$ generated by the diagrams with electron and muon polarization insertions.

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