Hadronic contribution to the muon anomalous magnetic moment to next-to-next-to-leading order

被引：390

作者：

Kurz, Alexander ^{[1
,2
]}

Liu, Tao ^{[1
]}

Marquard, Peter ^{[2
]}

Steinhauser, Matthias ^{[1
]}

机构：

[1] Karlsruhe Inst Technol, Inst Theoret Teilchenphys, D-76128 Karlsruhe, Germany

[2] DESY, D-15738 Zeuthen, Germany

来源：

PHYSICS LETTERS B | 2014年 / 734卷

关键词：

G-2; EXPERIMENT; EXPANSION;

D O I：

10.1016/j.physletb.2014.05.043

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We compute the next-to-next-to-leading order hadronic contribution to the muon anomalous magnetic moment originating from the photon vacuum polarization. The corresponding three-loop kernel functions are calculated using asymptotic expansion techniques which lead to analytic expressions. Our final result, a mu(had), (NNLO) = 1.24 +/- 0.01 x 10(-10), has the same order of magnitude as the current uncertainty of the leading order hadronic contribution and should thus be included in future analyses. (C) 2014 The Authors. Published by Elsevier B. V.

引用

页码：144 / 147

页数：4

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