Left-right symmetry and electric dipole moments. A global analysis

被引：11

作者：

Ramsey-Musolf, Michael J. ^{[1
,2
,3
,4
]}

Vasquez, Juan Carlos ^{[3
]}

机构：

[1] Shanghai Jiao Tong Univ, Tsung Dao Lee Inst, 800 Dongchuan Rd, Shanghai 200240, Peoples R China

[2] Shanghai Jiao Tong Univ, Sch Phys & Astron, 800 Dongchuan Rd, Shanghai 200240, Peoples R China

[3] Univ Massachusetts, Amherst Ctr Fundamental Interact, Dept Phys, Amherst, MA 01003 USA

[4] CALTECH, Kellogg Radiat Lab, Pasadena, CA 91125 USA

来源：

PHYSICS LETTERS B | 2021年 / 815卷

基金：

美国国家科学基金会;

关键词：

Electric dipole moments; Left-right symmetry; Beta decays; Strong CP problem;

D O I：

10.1016/j.physletb.2021.136136

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We perform a global fit using results of searches for electric dipole moments (EDM) of diamagnetic systems within the context of the minimal left-right symmetric model. In this way, we disentangle the new "left-right" electroweak and (theta) over bar contributions that cannot be separated using a single EDM system. Although the fit is done for a specific model, the approach can be applied to any particle physics model. Finally, we revisit the constraint on the D coefficient in beta-decay and find that current EDM bounds do not preclude observation of this T-violating effect in a possible next generation beta-decay experiment. (c) 2021 The Authors. Published by Elsevier B.V. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).

引用

页数：7

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