Constraining dimension-six nonminimal Lorentz-violating electron-nucleon interactions with EDM physics

被引：7

作者：

Araujo, Jonas B. ^{[1
,2
]}

Blin, A. H. ^{[3
]}

Sampaio, Marcos ^{[2
,4
]}

Ferreira, Manoel M., Jr. ^{[1
]}

机构：

[1] Univ Fed Maranhao, Dept Fis, Campus Univ Bacanga, BR-65080805 Sao Luis, MA, Brazil

[2] Univ Durham, Ctr Particle Theory, Durham DH1 3LE, England

[3] Univ Coimbra, CFisUC, Dept Phys, P-3004516 Coimbra, Portugal

[4] Univ Fed ABC, CCNH, BR-09210580 Santo Andre, SP, Brazil

来源：

PHYSICAL REVIEW D | 2019年 / 100卷 / 01期

基金：

巴西圣保罗研究基金会;

关键词：

WEAK NEUTRAL CURRENTS; DIPOLE MOMENTS; INVARIANCE VIOLATION; CPT VIOLATION; TESTS; SYMMETRY; HYDROGEN; LIMIT; ATOM; GENERATION;

D O I：

10.1103/PhysRevD.100.015046

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The electric dipole moment (EDM) of an atom could arise also from P-odd and T-odd electron-nucleon couplings. In this work we investigate a general class of dimension-6 electron-nucleon (e-N) nonminimal interactions mediated by Lorentz-violating (LV) tensors of rank ranging from 1 to 4. The possible couplings are listed as well as their behavior under C, P, and T, allowing us to select the couplings compatible with EDM physics. The unsuppressed contributions of these couplings to the atom's Hamiltonian can be read as EDM-equivalent. The LV coefficients' magnitudes are limited using EDM experimental data to the level of 3.2 x 10(-13) (GeV)(-2) or 1.6 x 10(-15) (GeV)(-2).

引用

页数：11

共 18 条

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