Lifetime measurement of the 3d 9 2 D 3/2 metastable level in Mo 15+ at an electron beam ion trap

An experimental measurement of the lifetime of 3d 9 2 D 3/2 metastable level in Mo 15+ is reported in this work. The Mo 15+ ions are produced and trapped in an electron beam ion trap with a magnetic field of 0.65 T. The decay photons emitted from 3d 9 2 D 3/2 level are subsequently recorded via a co...

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Published in:Chinese physics B 2023-10, Vol.32 (10), p.103201
Main Authors: Liu 刘, Jialin 佳林, Wang 王, Yintao 银涛, Tu 屠, Bingsheng 秉晟, Huang 黄, Liangyu 良玉, Si 司, Ran 然, Li 李, Jiguang 冀光, Zhang 张, Mingwu 明武, Fu 傅, Yunqing 云清, Zou 邹, Yaming 亚明, Yao 姚, Ke 科
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Language:English
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Summary:An experimental measurement of the lifetime of 3d 9 2 D 3/2 metastable level in Mo 15+ is reported in this work. The Mo 15+ ions are produced and trapped in an electron beam ion trap with a magnetic field of 0.65 T. The decay photons emitted from 3d 9 2 D 3/2 level are subsequently recorded via a cooled photomultiplier tube. Through meticulous scrutiny of potential systematic uncertainties affecting the measurement outcomes, we have determined the lifetime of Mo 15+ 3d 9 2 D 3/2 metastable level to be 2.83(22) ms. The experimental result provides a clear distinguishment from existing calculations based on various theoretical approaches.
ISSN:1674-1056
2058-3834
DOI:10.1088/1674-1056/acf121