类轴子粒子交换作用下铥原子的静电偶极矩
Static electric dipole moment of the francium atom induced by axionlike particle exchange
摘要：
研究表明，铥原子是寻找T，P破坏电子电偶极矩的一个很有前景的候选体系。Aoki等Quantum Sci. Technol.6，044008（2021）]。我们证明了同样的实验可以用于类轴子粒子（ALP）搜索。为此，我们计算了ALP介导的相互作用的电子结构常数的范围广泛的ALP群众。利用最近更新的ALP-电子和ALP-核子耦合常数的约束条件，我们证明了与这些约束条件相对应的相互作用对原子电偶极矩的贡献。因此，在钙原子电偶极矩实验中，对ALP特性的限制是可能的。
英文摘要：
The francium atom is considered as a prospective candidate system to search for the T,P-violating electron electric dipole moment [T. Aoki et al Quantum Sci. Technol. 6, 044008 (2021)]. We demonstrate that the same experiment can be used for axionlike particles (ALP) search. For this, we calculate electronic structure constants of ALP-mediated interaction for a wide range of ALP masses. Using the recently updated constraints on the ALP-electron and ALP-nucleon coupling constants, we show that the contribution of considered interactions corresponding to these constraints can give significant contribution to atomic electric dipole moment. Therefore, obtainment of stronger restrictions for ALP characteristics in the francium atom electric dipole moment experiment is possible.
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