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
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
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页数:7
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