The electroweak contributions to (g-2)μ after the Higgs-boson mass measurement

被引：379
|
作者：
Gnendiger, C. [1 ]
Stoeckinger, D. [1 ]
Stoeckinger-Kim, H. [1 ]
机构：
[1] Tech Univ Dresden, Inst Kern & Teilchenphys, D-01069 Dresden, Germany
来源：
PHYSICAL REVIEW D | 2013年 / 88卷 / 05期
关键词：
ANOMALOUS MAGNETIC-MOMENT; MUON G-2;
D O I：
10.1103/PhysRevD.88.053005
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The Higgs-boson mass used to be the only unknown input parameter of the electroweak contributions to (g - 2)(mu) in the Standard Model. It enters at the two-loop level in diagrams with, e.g., top loops, W, or Z exchange. We reevaluate these contributions, providing analytic expressions and exact numerical results for the Higgs-boson mass recently measured at the LHC. Our final result for the full Standard Model electroweak contributions is (153.6 +/- 1.0) x 10(-11), where the remaining theory error comes from unknown three-loop contributions and hadronic uncertainties.
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页数：6
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