Hyperfine interaction effects on the (1s2p)3P1-(1s2s)1S0 energy splitting in He-like ions for parity nonconservation studies

被引：1
|
作者：
Ferro, Fabrizio [1 ,2 ]
Artemyev, Anton [1 ,2 ]
Surzhykov, Andrey [1 ,2 ]
Stoehlker, Thomas [1 ,2 ,3 ]
机构：
[1] Univ Heidelberg, Inst Phys, D-69120 Heidelberg, Germany
[2] GSI Helmholtzzentrum Schwerionenforsch, D-64291 Darmstadt, Germany
[3] Helmholtz Inst Jena, D-07743 Jena, Germany
来源：
CANADIAN JOURNAL OF PHYSICS | 2011年 / 89卷 / 01期
关键词：
HELIUM-LIKE IONS; HEAVY-IONS; VIOLATION; PROSPECTS; MOMENTS; CESIUM; ATOMS;
D O I：
10.1139/P10-069
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Accurate theoretical knowledge of the (1s2p)P-3(1)-(1s2s)S-1(0) splitting in He-like ions is demanded for future experimental studies of the nuclear spin-dependent part of the weak interaction. In this paper we perform a calculation of hyperfine structure of (1s2p)P-3(1)-(1s2s)S-1(0) within 3 <= Z <= 35, Z being the atomic number. In this Z range parity nonconservation (PNC) effects are amplified by the close energy proximity of the opposite parity levels (1s2p)P-3(1) and (1s2s)S-1(0). We find that the hyperfine structure is relevant for Z > 12, and produces splitting among the hyperfine sublevels as large as 150 meV for medium Z He-like ions (Z similar to 35).
引用
收藏
页码：73 / 77
页数：5
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