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arXiv 1609.02597hep-ph
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关于SM中的四回路强耦合β函数

On the four-loop strong coupling beta-function in the SM

A. V. Bednyakov, A. F. Pikelner

摘要:

在谈话中,领先的四环贡献的强耦合的SM中的β函数进行了讨论。提供了计算技术的一些细节。特别注意由于使用$γ_5$治疗而引起的不明确性,并提倡使用特定的抗换向$γ_5$处方。作为计算的副产品,我们还得到了含有“胶子”的QCD中的四圈β函数。

英文摘要:

In the talk the leading four-loop contribution to the beta-function of the strong coupling in the SM is discussed. Some details of calculation techniques are provided. Special attention is paid to the ambiguity due to utilized $γ_5$ treatment and a particular prescription with anticommuting $γ_5$ is advocated. As a by-product of our computation the four-loop beta-function in QCD with "gluino" is also obtained.

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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