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arXiv 1302.1735hep-phhep-lat
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强子对μ子$g-2$因子的贡献

Hadronic Contribution to the muon $g-2$ factor

S. Bodenstein, C. A. Dominguez, K. Schilcher, H. Spiesberger

摘要:

最低阶强子的贡献的μ子的$g-2$因子进行了分析的框架内的运营商的产品在短距离的扩展,和QCD有限能量和规则,旨在淬火的作用的$e^+ e^-$数据。该过程将实验与理论之间的差异$Δa_μ\equiv a^{EXP}_μ- a^{SM}_μ$从$Δa_μ= 28.7 (8.0) \times 10^{-10}$减小到$Δa_μ= 19.2 (8.0) \times 10^{-10}$,即不改变不确定度。

英文摘要:

The lowest order hadronic contribution to the $g-2$ factor of the muon is analyzed in the framework of the operator product expansion at short distances, and a QCD finite energy sum rule designed to quench the role of the $e^+ e^-$ data. This procedure reduces the discrepancy between experiment and theory, $Δa_μ\equiv a^{EXP}_μ- a^{SM}_μ$, from $Δa_μ= 28.7 (8.0) \times 10^{-10}$ to $Δa_μ= 19.2 (8.0) \times 10^{-10}$, i.e. without changing the uncertainty.

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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