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1篇 您的检索式:作者名="YuALitvinov"
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1Ground-state mass of ^(22)Al and test of state-of-the-art ab initio calculations显示文摘The ground-state mass excess of the T_(z)=−2 drip-line nucleus ^(22)Al is measured for the first time as 18103(10)keV using the newly-developed Bρ-defined isochronous mass spectrometry method at the cooler storage ring in Lanzhou.The new mass excess value allowed us to determine the excitation energies of the two low-lying 1+states in ^(22)Al with significantly reduced uncertainties of 51 keV.When compared to the analogue states in its mirror nucleus ^(22)F,the mirror energy differences of the two 1^(+)states in the ^(22)Al-^(22)F mirror pair are determined to be−625(51)keV and−330(51)keV.The excitation energies and mirror energy differences are used to test the state-of-the-art ab initio valence-space in-medium similarity renormalization group calculations with four sets of interactions derived from the chiral effective field theory.The mechanism leading to the large mirror energy differences is investigated and attributed to the occupation of theπs_(1/2) orbital.孙铭泽 于越 王新鹏 王猛 李健国 张玉虎 K.Blaum 陈祖毅 陈瑞九 邓涵宇 付超义 葛文文 黄文嘉 焦红扬 李红蕙 李宏福 罗胤芳 廖挺 YuALitvinov 司敏 帅鹏 史金阳 王茜 邢元明 徐星 徐瑚珊 许甫荣 袁琪 T.Yamaguchi 颜鑫亮 杨建成 原有进 周小红 周旭 张敏 曾奇 2024Chinese Physics C2024,48,3:0
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