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金孙均, 王友宝, 苏俊, 颜胜权, 李云居, 郭冰, 李志宏, 曾晟, 连钢, 白希祥, 柳卫平, 山口英齐, 久保野茂, 胡钧, D.Kahl, 郑孝顺, 文俊永, 寺西高, 王宏伟, 石山博信, 岩佐直人, 小松原哲郎0, 李二涛, 张健. 用长气体靶研究22Na+α共振散射[J]. 原子核物理评论, 2015, 32(3): 274-279. doi: 10.11804/NuclPhysRev.32.03.274
引用本文: 金孙均, 王友宝, 苏俊, 颜胜权, 李云居, 郭冰, 李志宏, 曾晟, 连钢, 白希祥, 柳卫平, 山口英齐, 久保野茂, 胡钧, D.Kahl, 郑孝顺, 文俊永, 寺西高, 王宏伟, 石山博信, 岩佐直人, 小松原哲郎0, 李二涛, 张健. 用长气体靶研究22Na+α共振散射[J]. 原子核物理评论, 2015, 32(3): 274-279. doi: 10.11804/NuclPhysRev.32.03.274
JIN Sunjun, WANG Youbao, SU Jun, YAN Shengquan, LI Yunju, GUO Bing, LI Zhihong, ZENG Sheng, LIAN Gang, BAI Xixiang, LIU Weiping, YAMAGUCHI Hidetoshi, KUBONO Shigeru, HU Jun, KAHL David Miles, JUNG Hyosoon, MOON Jungyoung, TERANISHI T, WANG Hongwei, ISHIYAMA Hironobu, IWASA Naohito, KOMATSUBARA Tetsuro0, LI Ertao, ZHANG Jian. Study of 22Na+α Resonant Scattering by Using an Extended Gas Target[J]. Nuclear Physics Review, 2015, 32(3): 274-279. doi: 10.11804/NuclPhysRev.32.03.274
Citation: JIN Sunjun, WANG Youbao, SU Jun, YAN Shengquan, LI Yunju, GUO Bing, LI Zhihong, ZENG Sheng, LIAN Gang, BAI Xixiang, LIU Weiping, YAMAGUCHI Hidetoshi, KUBONO Shigeru, HU Jun, KAHL David Miles, JUNG Hyosoon, MOON Jungyoung, TERANISHI T, WANG Hongwei, ISHIYAMA Hironobu, IWASA Naohito, KOMATSUBARA Tetsuro0, LI Ertao, ZHANG Jian. Study of 22Na+α Resonant Scattering by Using an Extended Gas Target[J]. Nuclear Physics Review, 2015, 32(3): 274-279. doi: 10.11804/NuclPhysRev.32.03.274

用长气体靶研究22Na+α共振散射

doi: 10.11804/NuclPhysRev.32.03.274

Study of 22Na+α Resonant Scattering by Using an Extended Gas Target

  • 摘要: 在日本东京大学CRIB 次级束装置上,用长气体靶开展了22Na+ α共振散射的厚靶实验研究。针对长气体靶实验中的两体运动学重构问题,提出了一套包括构建空间复杂几何关系、计算能量损失以及反应运动学的逐事件分析方法;对22Na+α共振散射的实验数据进行了重构分析,得到了Ec.m. = 4.2 ~ 5.4 MeV 区间22Na( α,α ) 的激发函数,从实验的激发函数中观测到了复合核26Al 5 个较为明显的共振峰。鉴于26Al 共振态的衰变模式比较复杂,本工作发现的26Al新共振态的能级性质有待进一步的理论分析。The 22Na+α resonant scattering is studied via a conventional thick target inverse kinematic method with an extended gas target. A data analysis method is proposed for the two-body reaction kinematic reconstruction, in which the spatial geometry, the reaction kinematics and the energy losses are considered. The experimental data of 22Na+ αresonant scattering have been thus reconstructed, and the excitation function is obtained in the energy interval of Ec.m. =4.2~5.4 MeV. Five resonant states in 26Al are observed in the experimental excitation function. Since several decay modes coexist for the observed 26Al resonant states, multi-channel theoretical analysis is thus needed to reveal their structure and decay features.
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  • 收稿日期:  1900-01-01
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  • 刊出日期:  2015-09-20

用长气体靶研究22Na+α共振散射

doi: 10.11804/NuclPhysRev.32.03.274

摘要: 在日本东京大学CRIB 次级束装置上,用长气体靶开展了22Na+ α共振散射的厚靶实验研究。针对长气体靶实验中的两体运动学重构问题,提出了一套包括构建空间复杂几何关系、计算能量损失以及反应运动学的逐事件分析方法;对22Na+α共振散射的实验数据进行了重构分析,得到了Ec.m. = 4.2 ~ 5.4 MeV 区间22Na( α,α ) 的激发函数,从实验的激发函数中观测到了复合核26Al 5 个较为明显的共振峰。鉴于26Al 共振态的衰变模式比较复杂,本工作发现的26Al新共振态的能级性质有待进一步的理论分析。The 22Na+α resonant scattering is studied via a conventional thick target inverse kinematic method with an extended gas target. A data analysis method is proposed for the two-body reaction kinematic reconstruction, in which the spatial geometry, the reaction kinematics and the energy losses are considered. The experimental data of 22Na+ αresonant scattering have been thus reconstructed, and the excitation function is obtained in the energy interval of Ec.m. =4.2~5.4 MeV. Five resonant states in 26Al are observed in the experimental excitation function. Since several decay modes coexist for the observed 26Al resonant states, multi-channel theoretical analysis is thus needed to reveal their structure and decay features.

English Abstract

金孙均, 王友宝, 苏俊, 颜胜权, 李云居, 郭冰, 李志宏, 曾晟, 连钢, 白希祥, 柳卫平, 山口英齐, 久保野茂, 胡钧, D.Kahl, 郑孝顺, 文俊永, 寺西高, 王宏伟, 石山博信, 岩佐直人, 小松原哲郎0, 李二涛, 张健. 用长气体靶研究22Na+α共振散射[J]. 原子核物理评论, 2015, 32(3): 274-279. doi: 10.11804/NuclPhysRev.32.03.274
引用本文: 金孙均, 王友宝, 苏俊, 颜胜权, 李云居, 郭冰, 李志宏, 曾晟, 连钢, 白希祥, 柳卫平, 山口英齐, 久保野茂, 胡钧, D.Kahl, 郑孝顺, 文俊永, 寺西高, 王宏伟, 石山博信, 岩佐直人, 小松原哲郎0, 李二涛, 张健. 用长气体靶研究22Na+α共振散射[J]. 原子核物理评论, 2015, 32(3): 274-279. doi: 10.11804/NuclPhysRev.32.03.274
JIN Sunjun, WANG Youbao, SU Jun, YAN Shengquan, LI Yunju, GUO Bing, LI Zhihong, ZENG Sheng, LIAN Gang, BAI Xixiang, LIU Weiping, YAMAGUCHI Hidetoshi, KUBONO Shigeru, HU Jun, KAHL David Miles, JUNG Hyosoon, MOON Jungyoung, TERANISHI T, WANG Hongwei, ISHIYAMA Hironobu, IWASA Naohito, KOMATSUBARA Tetsuro0, LI Ertao, ZHANG Jian. Study of 22Na+α Resonant Scattering by Using an Extended Gas Target[J]. Nuclear Physics Review, 2015, 32(3): 274-279. doi: 10.11804/NuclPhysRev.32.03.274
Citation: JIN Sunjun, WANG Youbao, SU Jun, YAN Shengquan, LI Yunju, GUO Bing, LI Zhihong, ZENG Sheng, LIAN Gang, BAI Xixiang, LIU Weiping, YAMAGUCHI Hidetoshi, KUBONO Shigeru, HU Jun, KAHL David Miles, JUNG Hyosoon, MOON Jungyoung, TERANISHI T, WANG Hongwei, ISHIYAMA Hironobu, IWASA Naohito, KOMATSUBARA Tetsuro0, LI Ertao, ZHANG Jian. Study of 22Na+α Resonant Scattering by Using an Extended Gas Target[J]. Nuclear Physics Review, 2015, 32(3): 274-279. doi: 10.11804/NuclPhysRev.32.03.274

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