The QED vacuum polarization function at four loops and the anomalous magnetic moment at five loops

被引：30
|
作者：
Baikov, P. A. [1 ]
Maier, A. [2 ]
Marquard, P. [3 ]
机构：
[1] Lomonosov Moscow State Univ, Skobeltsyn Inst Nucl Phys, Moscow 119991, Russia
[2] Tech Univ Munich, Physik Dept T31, D-85748 Garching, Germany
[3] Deutsch Elekt Synchrotron DESY, D-15738 Zeuthen, Germany
来源：
NUCLEAR PHYSICS B | 2013年 / 877卷 / 03期
关键词：
Perturbative calculations; QED; Lepton anomalous moment; ASYMPTOTIC PHOTON PROPAGATOR; QUARK CURRENT CORRELATORS; MASSLESS PROPAGATORS; 4-LOOP TADPOLES; BETA-FUNCTION; MUON G-2; ELECTRON; O(ALPHA(2)(S)); (MS)OVER-BAR; EXPANSIONS;
D O I：
10.1016/j.nuclphysb.2013.10.020
中图分类号：
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号：
摘要：
The anomalous magnetic moment of the muon is one of the most fundamental observables. It has been measured experimentally with a very high precision and on theory side the contributions from perturbative QED have been calculated up to five-loop level by numerical methods. Contributions to the muon anomalous magnetic moment from certain diagram classes are also accessible by alternative methods. In this paper we present the evaluation of contributions to the QED corrections due to insertions of the vacuum polarization function at five-loop level. (C) 2013 Elsevier B.V. All rights reserved.
引用
收藏
页码：647 / 661
页数：15
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