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19F+27Al耗散反应中双核系统的转动与形变

Rotation and Deformation of the Dinuclear System Formed in Dissipative Reaction of 19F+27Al

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【作者】 韩建龙王琦董玉川李松林段利敏吴和宇徐华根陈若富徐瑚珊白真李志常路秀琴赵葵周平刘建成Sergey Yu Kun

【Author】 HAN Jian-Long WANG Qi DONG Yu-Chuan LI Song-Lin DUAN Li-Min WU He-Yu XU Hua-Gen CHEN Ruo-Fu XU Hu-Shan BAI Zhen LI Zhi-Chang LU Xiu-Qin ZHAO Kui ZHOU Ping LIU Jian-Cheng Sergey Yu Kun (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) (Centro de Ciencias Fisicas, Campus Morelos UNAM, Cuernavaca, Morales, Mexico) (Nonlinear Physics Group and Department of Theoretical Physics, RSPhysSE, ANU, Canberra, ACT 0200, Australia)

【机构】 中国科学院近代物理研究所中国原子能科学研究院Centro de Ciencias Fisicas Campus Morelos UNAM CuernavacaMoralesMexico Nonlinear Physics Group and Department of Theoretical PhysicsRSPhysSEANUCanberraACT 0200Australia兰州 730000 中国科学院研究生院 北京 100049兰州 730000北京 102413

【摘要】 测量了19F+27Al耗散反应产物B,C,N,O,F和Ne的激发函数,入射束流的能量从110.25MeV 到118.75MeV,能量步长为250keV.从产物的能量自关联函数中提取了反应中所形成的中间双核系统的转动惯量,与相粘模型计算的刚体转动惯量相比较,结果表明形成的双核系统有大的形变.

【Abstract】 Excitation functions of the reaction products B, C, N, O, F and Ne emitted from the dissipative reaction of 19F+27A1 have been measured at incident energies from 110.25MeV to 118.75MeV in steps of 250keV. The moments of inertia of the intermediate dinuclear system formed in the reaction are extracted from the energy autocorrelation functions of the products. Comparing the moment of inertia extracted from the experimental data with the calculated one by using the sticking limit, it indicates that the formed dinuclear system has a large deformation in the reaction process.

【基金】 国家自然科学基金(10475101,10175083)国家重点基础研究发展规划项目(G2000077400)科技部重大项目前期研究专项基金(2001CCB01200)资助~~
  • 【文献出处】 高能物理与核物理 ,High Energy Physics and Nuclear Physics , 编辑部邮箱 ,2006年07期
  • 【分类号】O571.2
  • 【下载频次】34
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