| Fine structure ofαdecay in222Pa |
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| 引用本文： | 滑伟,张志远,马龙,甘再国,杨华彬,袁岑溪,黄明辉,杨春莉,张明明,田玉林,周小红.Fine structure ofαdecay in222Pa[J].中国物理C（英文版）,2021(4):192-197. |
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| 作者姓名： | 滑伟 张志远 马龙 甘再国 杨华彬 袁岑溪 黄明辉 杨春莉 张明明 田玉林 周小红 |
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| 作者单位： | Sino-French Institute of Nuclear Engineering and Technology;CAS Key Laboratory of High Precision Nuclear Spectroscopy;School of Nuclear Science and Technology |
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| 基金项目： | Supported by the National Natural Science Foundation of China(11805289,11775316);the Strategic Priority Research Program of Chinese Academy of Sciences(XDB34010000);the National Key R&D Program of China(2018YFA0404402)。 |
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| 摘 要： | With the help of the gas-filled recoil spectrometer SHANS and a digital data acquisition system,the fine structure of the α decay for222Pa was studied.The nuclides were produced through the 1p3n evaporation channel via the heavy-ion induced fusion evaporation reaction 40Ar+186W.Based on the ER-α1-α2-α3 andα-γcorrelation measurement,three new α decays were observed in addition to the three branches known previously.The one with the largestαdecay energy was regarded as the ground state to ground state transition.The newly measuredαdecay properties of 222Pa were examined in a framework of reduced width.
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| 关 键 词： | fusion-evaporation reaction αdecay fine structure Qαreduced width |
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