Electric dipole moments in the minimal scotogenic model

被引：21

作者：

Abada, Asmaa ^{[1
]}

Toma, Takashi ^{[2
]}

机构：

[1] Univ Paris Saclay, Univ Paris Sud, CNRS, Lab Phys Theor, F-91405 Orsay, France

[2] Tech Univ Munich, Phys Dept T30d, James Franck Str, D-85748 Garching, Germany

来源：

JOURNAL OF HIGH ENERGY PHYSICS | 2018年 / 04期

关键词：

Beyond Standard Model; CP violation; Neutrino Physics; NEUTRINO MASS; MAJORANA NEUTRINOS; SEESAW MECHANISM; DARK-MATTER; LHC; SEARCH; SCALE; DECAY;

D O I：

10.1007/JHEP04(2018)030

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 work we consider a minimal version of the scotogenic model capable of accounting for an electron electric dipole moment within experimental sensitivity reach in addition to providing a dark matter candidate and radiatively generating neutrino masses. The Standard Model is minimally extended by two sterile fermions and one inert scalar doublet, both having odd parity, while the Standard Model particles have an even parity, imposed by a Z(2) symmetry. The neutrino Yukawa couplings provide additional sources of CP violation, and thus a possible impact on electric dipole moments of charged leptons. This model provides two possible dark matter candidates (one bosonic and one fermionic) and our results show that, independently of the ordering of the generated light neutrino spectrum, one can have sizeable electron electric dipole moment within ACME sensitivity reach in the case of fermionic dark matter candidate.

引用

页数：24

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