αs从强子真空极化

R. Hudspith, R. Lewis, K. Maltman, E. Shintani
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引用次数: 4

摘要

我们给出了用u-d矢量强子真空极化函数计算强耦合常数的结果。我们在3个晶格间隔处使用了nf = 2 + 1种域壁费米子,由RBC-UKQCD合作产生。我们指出了这种确定耦合的方法中可能存在的几个缺陷,并说明了如何解决这些缺陷。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
αs from the Hadronic Vacuum Polarisation
We present our result for the strong coupling constant computed from the u-d vector Hadronic Vacuum Polarisation function. We use nf = 2 + 1 flavours of Domain Wall fermions at 3 lattice spacings, generated by the RBC-UKQCD collaboration. We identify several possible pitfalls in this method for determining the coupling and illustrate how to resolve them.
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