Limits on CP-violating hadronic interactions and proton EDM from paramagnetic molecules

被引：10
作者：
Flambaum, V. V. [1 ,2 ]
Samsonov, I. B. [1 ]
Tran Tan, H. B. [1 ]
机构：
[1] Univ New South Wales, Sch Phys, Sydney, NSW 2052, Australia
[2] Johannes Gutenberg Univ Mainz, Helmholtz Inst Mainz, D-55099 Mainz, Germany
来源：
JOURNAL OF HIGH ENERGY PHYSICS | 2020年 / 2020卷 / 10期
基金：
澳大利亚研究理事会;
关键词：
Beyond Standard Model; CP violation; ELECTRIC-DIPOLE MOMENT; HYPERFINE-STRUCTURE; NUCLEAR-POLARIZATION; SEARCH; INVARIANCE; NEUTRON; XE-129; SYMMETRY; FIELD; ODD;
D O I：
10.1007/JHEP10(2020)077
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：
Experiments with paramagnetic ground or metastable excited states of molecules (ThO, HfF+, YbF, YbOH, BaF, PbO, etc.) provide strong constraints on the electron electric dipole moment (EDM) and the coupling constant C-SP of contact semileptonic interaction. We compute new contributions to C-SP arising from the nucleon EDMs due to the combined electric and magnetic electron-nucleon interaction. This allows us to improve limits from the experiments with paramagnetic molecules on the CP-violating parameters, such as the proton EDM
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页数：27
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