<SUP>17</SUP>F + p 厚靶实验对<SUP>18</SUP>Ne共振态性质的研究

胡钧; 何建军; #; 许世伟; 陈志强; 张雪荧; 王建松; 于祥庆; 苏俊; 李二涛; 王宏伟; 田文栋; 李龙; 张立勇; 杨彦云; 马朋; 章学恒; 胡正国; 郭忠言; 徐星; 袁小华; 鲁皖; 余玉洪; 臧永东; 唐述文; 叶瑞平; 陈金达; 金仕纶; 杜成名; 王世陶; 马军兵; 刘龙祥; 白真; 雷祥国; 孙志宇; 李湘庆; 张玉虎; 周小红; 徐瑚珊

doi:10.11804/NuclPhysRev.28.04.428

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¹⁷F + p 厚靶实验对¹⁸Ne共振态性质的研究

胡钧, 何建军, #, 许世伟, 陈志强, 张雪荧, 王建松, 于祥庆, 苏俊, 李二涛, 王宏伟, 田文栋, 李龙, 张立勇, 杨彦云, 马朋, 章学恒, 胡正国, 郭忠言, 徐星, 袁小华, 鲁皖, 余玉洪, 臧永东, 唐述文, 叶瑞平, 陈金达, 金仕纶, 杜成名, 王世陶, 马军兵, 刘龙祥, 白真, 雷祥国, 孙志宇, 李湘庆, 张玉虎, 周小红, 徐瑚珊

文章导航 > 原子核物理评论 > 2011 > 28(4): 428-432

胡钧, 何建军, #, 许世伟, 陈志强, 张雪荧, 王建松, 于祥庆, 苏俊, 李二涛, 王宏伟, 田文栋, 李龙, 张立勇, 杨彦云, 马朋, 章学恒, 胡正国, 郭忠言, 徐星, 袁小华, 鲁皖, 余玉洪, 臧永东, 唐述文, 叶瑞平, 陈金达, 金仕纶, 杜成名, 王世陶, 马军兵, 刘龙祥, 白真, 雷祥国, 孙志宇, 李湘庆, 张玉虎, 周小红, 徐瑚珊. 17F + p 厚靶实验对18Ne共振态性质的研究[J]. 原子核物理评论, 2011, 28(4): 428-432. doi: 10.11804/NuclPhysRev.28.04.428

引用本文:

胡钧, 何建军, #, 许世伟, 陈志强, 张雪荧, 王建松, 于祥庆, 苏俊, 李二涛, 王宏伟, 田文栋, 李龙, 张立勇, 杨彦云, 马朋, 章学恒, 胡正国, 郭忠言, 徐星, 袁小华, 鲁皖, 余玉洪, 臧永东, 唐述文, 叶瑞平, 陈金达, 金仕纶, 杜成名, 王世陶, 马军兵, 刘龙祥, 白真, 雷祥国, 孙志宇, 李湘庆, 张玉虎, 周小红, 徐瑚珊. ¹⁷F + p 厚靶实验对¹⁸Ne共振态性质的研究[J]. 原子核物理评论, 2011, 28(4): 428-432. doi: 10.11804/NuclPhysRev.28.04.428

HU Jun, HE Jian-jun, #, XU Shi-wei, CHEN Zhi-qiang, ZHANG Xue-ying, WANG Jian-song, YU Xiang-qing, SU Jun, LI Er-tao, WANG Hong-wei, TIAN Wen-dong, LI Long, ZHANG Li-yong, YANG Yan-yun, MA Peng, ZHANG Xue-heng, HU Zheng-guo, GUO Zhong-yan, XU Xing, YUAN Xiao-hua, LU Wan, YU Yu-hong, ZANG Yong-dong, TANG Shu-wen, YE Rui-ping, CHEN Jin-da, JIN Shi-lun, DU Cheng-ming, WANG Shi-tao, MA Jun-bing, LIU Long-xiang, BAI Zhen, LEI Xiang-guo, SUN Zhi-yu, LI Xiang-qing, ZHANG Yu-hu, ZHOU Xiao-hong, XU Hu-shan. Investigation of Resonant Properties in 18Ne via a Thicktarget Method of 17F+p[J]. Nuclear Physics Review, 2011, 28(4): 428-432. doi: 10.11804/NuclPhysRev.28.04.428

Citation:

HU Jun, HE Jian-jun, #, XU Shi-wei, CHEN Zhi-qiang, ZHANG Xue-ying, WANG Jian-song, YU Xiang-qing, SU Jun, LI Er-tao, WANG Hong-wei, TIAN Wen-dong, LI Long, ZHANG Li-yong, YANG Yan-yun, MA Peng, ZHANG Xue-heng, HU Zheng-guo, GUO Zhong-yan, XU Xing, YUAN Xiao-hua, LU Wan, YU Yu-hong, ZANG Yong-dong, TANG Shu-wen, YE Rui-ping, CHEN Jin-da, JIN Shi-lun, DU Cheng-ming, WANG Shi-tao, MA Jun-bing, LIU Long-xiang, BAI Zhen, LEI Xiang-guo, SUN Zhi-yu, LI Xiang-qing, ZHANG Yu-hu, ZHOU Xiao-hong, XU Hu-shan. Investigation of Resonant Properties in ¹⁸Ne via a Thicktarget Method of ¹⁷F+p[J]. Nuclear Physics Review, 2011, 28(4): 428-432. doi: 10.11804/NuclPhysRev.28.04.428

¹⁷F + p 厚靶实验对¹⁸Ne共振态性质的研究

doi: 10.11804/NuclPhysRev.28.04.428

中国科学院近代物理研究所, 甘肃兰州 730000;
中国科学院研究生院, 北京 100049;
中国原子能科学研究院, 北京 102413;
中国科学院上海应用物理研究所, 上海 201800;
北京大学, 北京 100871

Investigation of Resonant Properties in ¹⁸Ne via a Thicktarget Method of ¹⁷F+p

Institute of Modern Physics,Chinese Academy of Sciences,Lanzhou 730000,China;
Graduate University of Chinese Academy of Sciences,Beijing 100049, China;
China Institute of Atomic Energy, Beijing 102413,China;
Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800,China;

摘要: 实验通过¹⁷F+p共振弹性散射研究了复合核¹⁸Ne激发态中与天体核反应¹⁴O(α， p)¹⁷F相关的共振态性质。利用兰州放射性束流线(RIBLL)对弹核碎裂反应产生的放射性束¹⁷F进行了分离和提纯。经过降能后，能量为4.22 AMeV 的¹⁷F束流轰击在T2终端的厚氢靶(CH₂)_n上。　两套∆E-E Si探测器望远镜放置在两个不同的探测角度θ_lab≈2.3°和14°上，对反冲质子的角度和能量进行了测量。实验观测到了复合核¹⁸Ne的几条质子共振能级。通过R-Matrix理论程序对激发函数进行拟合，得到了共振态的能量、自旋、宇称和衰变宽度等共振参数。Resonant properties in¹⁸Ne relevant to the stellar reaction of ¹⁴O(α, p)¹⁷F have been investigated through a resonant elastic scattering of ¹⁷F+p. The ¹⁷F RI beam was produced via a projectilefragmentation reaction， and subsequently separated and purified by Radioactive Ion beam Line in Lanzhou(RIBLL). After a series of energy degradation，a 4.22 AMeV ¹⁷F beam bombarded a thick(CH₂)_ntarget at T2 terminal. Energy and angle of the recoiled protons were measured by two sets of ∆E-E silicon telescope at θ_lab≈2.3°，14° respectively. Several resonances in ¹⁸Ne were observed，and their resonant parametersincluding energy，spinparity and decay width have been determined by an R-Matrix analysis of the experimental excitation function.
- 共振态 /
- 厚靶方法 /
- 放射性核束 /
- R-Matrix拟合
Abstract: Resonant properties in¹⁸Ne relevant to the stellar reaction of ¹⁴O(α, p)¹⁷F have been investigated through a resonant elastic scattering of ¹⁷F+p. The ¹⁷F RI beam was produced via a projectilefragmentation reaction， and subsequently separated and purified by Radioactive Ion beam Line in Lanzhou(RIBLL). After a series of energy degradation，a 4.22 AMeV ¹⁷F beam bombarded a thick(CH₂)_ntarget at T2 terminal. Energy and angle of the recoiled protons were measured by two sets of ∆E-E silicon telescope at θ_lab≈2.3°，14° respectively. Several resonances in ¹⁸Ne were observed，and their resonant parametersincluding energy，spinparity and decay width have been determined by an R-Matrix analysis of the experimental excitation function.
- resonance /
- thicktarget method /
- radioactive beam /
- R-Matrix fitting

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¹⁷F + p 厚靶实验对¹⁸Ne共振态性质的研究

doi: 10.11804/NuclPhysRev.28.04.428

中国科学院近代物理研究所, 甘肃兰州 730000;

中国科学院研究生院, 北京 100049;

中国原子能科学研究院, 北京 102413;

中国科学院上海应用物理研究所, 上海 201800;

北京大学, 北京 100871

收稿日期: 1900-01-01
修回日期: 1900-01-01
刊出日期: 2011-12-20

关键词:

共振态 /

厚靶方法 /

放射性核束 /

R-Matrix拟合

摘要: 实验通过¹⁷F+p共振弹性散射研究了复合核¹⁸Ne激发态中与天体核反应¹⁴O(α， p)¹⁷F相关的共振态性质。利用兰州放射性束流线(RIBLL)对弹核碎裂反应产生的放射性束¹⁷F进行了分离和提纯。经过降能后，能量为4.22 AMeV 的¹⁷F束流轰击在T2终端的厚氢靶(CH₂)_n上。　两套∆E-E Si探测器望远镜放置在两个不同的探测角度θ_lab≈2.3°和14°上，对反冲质子的角度和能量进行了测量。实验观测到了复合核¹⁸Ne的几条质子共振能级。通过R-Matrix理论程序对激发函数进行拟合，得到了共振态的能量、自旋、宇称和衰变宽度等共振参数。Resonant properties in¹⁸Ne relevant to the stellar reaction of ¹⁴O(α, p)¹⁷F have been investigated through a resonant elastic scattering of ¹⁷F+p. The ¹⁷F RI beam was produced via a projectilefragmentation reaction， and subsequently separated and purified by Radioactive Ion beam Line in Lanzhou(RIBLL). After a series of energy degradation，a 4.22 AMeV ¹⁷F beam bombarded a thick(CH₂)_ntarget at T2 terminal. Energy and angle of the recoiled protons were measured by two sets of ∆E-E silicon telescope at θ_lab≈2.3°，14° respectively. Several resonances in ¹⁸Ne were observed，and their resonant parametersincluding energy，spinparity and decay width have been determined by an R-Matrix analysis of the experimental excitation function.

English Abstract

引用本文:

Citation:

HU Jun, HE Jian-jun, #, XU Shi-wei, CHEN Zhi-qiang, ZHANG Xue-ying, WANG Jian-song, YU Xiang-qing, SU Jun, LI Er-tao, WANG Hong-wei, TIAN Wen-dong, LI Long, ZHANG Li-yong, YANG Yan-yun, MA Peng, ZHANG Xue-heng, HU Zheng-guo, GUO Zhong-yan, XU Xing, YUAN Xiao-hua, LU Wan, YU Yu-hong, ZANG Yong-dong, TANG Shu-wen, YE Rui-ping, CHEN Jin-da, JIN Shi-lun, DU Cheng-ming, WANG Shi-tao, MA Jun-bing, LIU Long-xiang, BAI Zhen, LEI Xiang-guo, SUN Zhi-yu, LI Xiang-qing, ZHANG Yu-hu, ZHOU Xiao-hong, XU Hu-shan. Investigation of Resonant Properties in ¹⁸Ne via a Thicktarget Method of ¹⁷F+p[J]. Nuclear Physics Review, 2011, 28(4): 428-432. doi: 10.11804/NuclPhysRev.28.04.428