P , T -Violating and Magnetic Hyperfine Interactions in Atomic Thallium

P , T -Violating and Magnetic Hyperfine Interactions in Atomic Thallium
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铊原子中的 P , T 破坏和磁超精细相互作用

DOI:
10.3390/sym12040498
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发表时间:
2019
期刊:
Symmetry
影响因子:
--
通讯作者:
L. Skripnikov
L. Skripnikov
中科院分区:
--
文献类型:
--
作者:
T. Fleig;L. Skripnikov

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本文介绍了基于弦理论的相对论广义激发秩组态相互作用和耦合集团理论对电子电偶极矩、核子-电子标量赝标和磁超精细相互作用常数(α d-e,α CS,A||,分别)的铊原子基态2 P 1 / 2。我们目前的最佳值是α d e = − 558 ± 28,α C S = 6.77 ± 0.34 [ 10 − 18 e cm],A||= 21172 ± 1059 [MHz]。后一常数的中心值与实验结果的一致性在0.7%以内,并可作为P,T -破坏相互作用常数的可测量探针。我们的研究结果导致一个显着减少的理论不确定性的P,T -奇相互作用常数的原子铊,但没有更强的约束,电子电偶极矩,d e,或核子-电子标量-赝标量耦合常数,CS。
We present state-of-the-art string-based relativistic general-excitation-rank configuration interaction and coupled cluster calculations of the electron electric dipole moment, the nucleon–electron scalar-pseudoscalar, and the magnetic hyperfine interaction constants ( α d e , α C S , A | | , respectively) for the thallium atomic ground state 2 P 1 / 2 . Our present best values are α d e = − 558 ± 28 , α C S = 6.77 ± 0.34 [ 10 − 18 e cm], and A | | = 21172 ± 1059 [MHz]. The central value of the latter constant agrees with the experimental result to within 0.7% and serves as a measurable probe of the P , T -violating interaction constants. Our findings lead to a significant reduction of the theoretical uncertainties for P , T -odd interaction constants for atomic thallium but not to stronger constraints on the electron electric dipole moment, d e , or the nucleon–electron scalar-pseudoscalar coupling constant, C S .
DOI: 10.1038/s41586-018-0599-8
发表时间: 2018-10-18
期刊: NATURE
影响因子: 64.8
作者:
Andreev, V.;Ang, D. G.;Wu, X.
通讯作者: Wu, X.