Electric dipole moments at one-loop in the dimension-6 SMEFT

被引：14
|
作者：
Kley, Jonathan [1 ,2 ,3 ]
Theil, Tobias [1 ]
Venturini, Elena [1 ]
Weiler, Andreas [1 ]
机构：
[1] Tech Univ Munich, Phys Dept, James Franck Str 1, D-85748 Garching, Germany
[2] DESY, Notkestr 85, D-22607 Hamburg, Germany
[3] Humboldt Univ, Inst Phys, Newtonstr 15, D-12489 Berlin, Germany
来源：
EUROPEAN PHYSICAL JOURNAL C | 2022年 / 82卷 / 10期
关键词：
BACKGROUND-FIELD METHOD; RENORMALIZATION; BOSON; MODEL;
D O I：
10.1140/epjc/s10052-022-10861-5
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：
In this paper we present the complete expressions of the lepton and neutron electric dipole moments (EDMs) in the Standard Model Effective Field Theory (SMEFT), up to 1-loop and dimension-6 level and including both renormalization group running contributions and finite corrections. The latter play a fundamental role in the cases of operators that do not renormalize the dipoles, but there are also classes of operators for which they provide an important fraction, 10-20%, of the total 1-loop contribution, if the new physics scale is around A = 5 TeV. We present the full set of bounds on each individual Wilson coefficient contributing to the EDMs using both the current experimental constraints, as well as those from future experiments, which are expected to improve by at least an order of magnitude.
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页数：43
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