Recent Developments of Muon g-2 from Lattice QCD

V. Gülpers
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引用次数: 3

Abstract

One of the most promising quantities for the search of signatures of physics beyond the Standard Model is the anomalous magnetic moment $g-2$ of the muon, where a comparison of the experimental result with the Standard Model estimate yields a deviation of about $3.5~\sigma$. On the theory side, the largest uncertainty arises from the hadronic sector, namely the hadronic vacuum polarisation and the hadronic light-by-light scattering. I review recent progress in calculating the hadronic contributions to the muon $g-2$ from the lattice and discuss the prospects and challenges to match the precision of the upcoming experiments.
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晶格QCD中μ子g-2的最新进展
对于寻找标准模型之外的物理特征来说,最有希望的量之一是μ子的异常磁矩g-2,将实验结果与标准模型的估计进行比较,会产生大约3.5~\sigma$的偏差。在理论方面,最大的不确定性来自强子部分,即强子真空极化和强子逐光散射。我回顾了从晶格中计算强子对μ子g-2的贡献的最新进展,并讨论了与即将到来的实验精度相匹配的前景和挑战。
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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