New measurement of 4^(H)e and proton decays from resonant states in^(19)Ne  

作　　者：马凯 叶沿林 林承键 陈家豪 王东玺 韩家兴 贾会明 杨磊 阳黎升 胡梓瑶 陈莹 蒲伟良 李根 谭智威 黄大湖 骆天鹏 钟善豪 楼建玲 杨晓菲 李智焕 李奇特 许金艳 杨再宏 魏康 Kai Ma;Yan-Lin Ye;Cheng-Jian Lin;Jia-Hao Chen;Dong-Xi Wang;Jia-Xing Han;Hui-Ming Jia;Lei Yang;Li-Sheng Yang;Zi-Yao Hu;Ying Chen;Wei-Liang Pu;Gen Li;Zhi-Wei Tan;Da-Hu Huang;Tian-Peng Luo;Shan-Hao Zhong;Jian-Ling Lou;Xiao-Fei Yang;Zhi-Huan Li;Qi-Te Li;Jin-Yan Xu;Zai-Hong Yang;Kang Wei(School of Physics and State Key Laboratory of Nuclear Physics and Technology,Peking University,Beijing 100871,China;China Institute of Atomic Energy,Beijing 102413,China;College of Physics and Technology&Guangxi Key Laboratory of Nuclear Physics and Technology,Guangxi Normal University,Guilin 541004,China)

机构地区：[1]School of Physics and State Key Laboratory of Nuclear Physics and Technology,Peking University,Beijing 100871,China [2]China Institute of Atomic Energy,Beijing 102413,China [3]College of Physics and Technology&Guangxi Key Laboratory of Nuclear Physics and Technology,Guangxi Normal University,Guilin 541004,China

出　　处：《Chinese Physics C》2023年第11期50-56,共7页中国物理C（英文版）

基　　金：Supported by the National Key R&D Program of China(2018YFA0404403,2022YFA1602302);the National Natural Science Foundation of China(11875074,11875073,12235020,12027809,11961141003,U1967201,U2167204,11775004,11775003);the Continuous Basic Scientific Research Project(WDJC-2019-13);the State Key Laboratory of Nuclear Physics and Technology,Peking University(NPT2020KFY10);the Leading Innovation Project(LC192209000701,LC202309000201)。

摘　　要：A^(6)Li(^(16)O,^(19)Ne^(∗))^(3)H multi-nucleon transfer-reaction experiment was performed to populate the highly excited states in^(19)Ne.The subsequent decay particles,^(4)He or protons from the^(19)Ne resonant states,were detected in coincidence with the recoil 3 H.The excitation-energy spectra of^(19)Ne were reconstructed using the detected proton or^(4)He and the deduced^(18)F or^(15)O data,respectively.A broad resonance at about 7.85 MeV(1/2^(+))was observed,with partial decay widths different from the previously reported values,which may have a significant impact on the destruction of 18 F in astrophysical processes.Several resonances up to very high excitation energies have been identified with a largeα-clustering strength,which confirm the formation of the cluster structure with a one-hole configuration in light nuclei and encourage further systematic studies of the cluster structure in^(19)Ne.

关 键 词：resonant state Q-VALUE branch ratio partial decay width 

分 类 号：O562[理学—原子与分子物理]