重离子熔合反应形成超重核的截面研究

李文飞; 李剑峰; 徐瑚珊; 左维; 李君清; 王楠; 赵恩广

doi:10.11804/NuclPhysRev.20.02.111

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重离子熔合反应形成超重核的截面研究

李文飞, 李剑峰, 徐瑚珊, 左维, 李君清, 王楠, 赵恩广

文章导航 > 原子核物理评论 > 2003 > 20(2): 111-115

李文飞, 李剑峰, 徐瑚珊, 左维, 李君清, 王楠, 赵恩广. 重离子熔合反应形成超重核的截面研究[J]. 原子核物理评论, 2003, 20(2): 111-115. doi: 10.11804/NuclPhysRev.20.02.111

引用本文:

LI Wen-fei, LI Jian-feng, XU Hu-shan, ZUO Wei, LI Jun-qing, WANG Nan, ZHAO En-fuang. Formation Cross Sections of Super Heavy Nuclei by Heavy Ion Fusion Reactions[J]. Nuclear Physics Review, 2003, 20(2): 111-115. doi: 10.11804/NuclPhysRev.20.02.111

Citation:

LI Wen-fei, LI Jian-feng, XU Hu-shan, ZUO Wei, LI Jun-qing, WANG Nan, ZHAO En-fuang. Formation Cross Sections of Super Heavy Nuclei by Heavy Ion Fusion Reactions[J]. Nuclear Physics Review, 2003, 20(2): 111-115. doi: 10.11804/NuclPhysRev.20.02.111

重离子熔合反应形成超重核的截面研究

doi: 10.11804/NuclPhysRev.20.02.111

1兰州重离子加速器国家实验室原子核理论中心; 甘肃兰州730000; 2中国科学院近代物理研究所; 甘肃兰州730000; 3中国科学院理论物理所; 北京 100080;

Formation Cross Sections of Super Heavy Nuclei by Heavy Ion Fusion Reactions

(1 Center of Theoretical Physics; National Laboratory of Heavy Ion Accelerator of Lanzhou; Lanzhou 730000; China; 2 Institute of Modern Physics; Chinese Academy of Sciences; China3 Institute of Theoretical Physics; Beijing 100080; China;

摘要: 在双核系统框架下,通过数值法解主方程计算了双核间的核子跃迁全熔合几率.两碰撞核内部激发能由相对运动能损提供,因此能够将核子转移过程与相对运动耦合起来.对一些以Pb为靶的形成超重核的冷熔合反应,计算了最佳激发能、形成双核系统的俘获截面、复合核形成几率及存活几率等,所得到的形成超重核蒸发剩余截面与已知实验值符合较好. In the concept of Dinuclear system (DNS) the complete fusion probability of two touch nuclei via nucleon transfer is described by numerically solving the Master equation. The excitation energy of two colliding nuclei is supplied by the energy dissipation of their relative motion, thus the nucleon transfer process and the relative motion are coupled. For Pb based cold fusion reactions to form super heavy nuclei, the optimal excitation energy, the capture crosssection to form a DNS ...
- 主方程 /
- 超重核 /
- 俘获截面 /
- 全熔合几率 /
- 存活几率
Abstract: In the concept of Dinuclear system (DNS) the complete fusion probability of two touch nuclei via nucleon transfer is described by numerically solving the Master equation. The excitation energy of two colliding nuclei is supplied by the energy dissipation of their relative motion, thus the nucleon transfer process and the relative motion are coupled. For Pb based cold fusion reactions to form super heavy nuclei, the optimal excitation energy, the capture crosssection to form a DNS, the compound nuclear ...
- Master equation /
- super heavy nucleus /
- capture cross-section /
- complete fusion probability /
- survival probability

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重离子熔合反应形成超重核的截面研究

doi: 10.11804/NuclPhysRev.20.02.111

1兰州重离子加速器国家实验室原子核理论中心; 甘肃兰州730000; 2中国科学院近代物理研究所; 甘肃兰州730000; 3中国科学院理论物理所; 北京 100080;

收稿日期: 1900-01-01
修回日期: 1900-01-01
刊出日期: 2003-06-20

关键词:

主方程 /

超重核 /

俘获截面 /

全熔合几率 /

存活几率

摘要: 在双核系统框架下,通过数值法解主方程计算了双核间的核子跃迁全熔合几率.两碰撞核内部激发能由相对运动能损提供,因此能够将核子转移过程与相对运动耦合起来.对一些以Pb为靶的形成超重核的冷熔合反应,计算了最佳激发能、形成双核系统的俘获截面、复合核形成几率及存活几率等,所得到的形成超重核蒸发剩余截面与已知实验值符合较好. In the concept of Dinuclear system (DNS) the complete fusion probability of two touch nuclei via nucleon transfer is described by numerically solving the Master equation. The excitation energy of two colliding nuclei is supplied by the energy dissipation of their relative motion, thus the nucleon transfer process and the relative motion are coupled. For Pb based cold fusion reactions to form super heavy nuclei, the optimal excitation energy, the capture crosssection to form a DNS ...