^(19)F+^(27)Al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 ^(19)F+^(27)Al

作　　者：韩建龙[1] 王琦[1] 董玉川[1] 李松林[1] 段利敏[1] 吴和宇[1] 徐华根[1] 陈若富[1] 徐瑚珊[1] 白真[1] 李志常[2] 路秀琴[2] 赵葵[2] 周平[2] 刘建成[2] Sergey Yu Kun 

机构地区：[1]中国科学院近代物理研究所 [2]中国原子能科学研究院,北京102413 [3]Centro de Ciencias Fisicas Campus Morelos UNAM,Cuernavaca,Morales,Mexico Nonlinear Physics Group and Department of Theoretical Physics,RSPhysSE,ANU,Canberra,ACT 0200,Australia

出　　处：《高能物理与核物理》2006年第7期612-615,共4页High Energy Physics and Nuclear Physics

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~~

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．Excitation functions of the reaction products B, C, N, O, F and Ne emitted from the dissipative reaction of ^19F＋^27Al 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.

关 键 词：激发函数 耗散反应 双核系统 转动惯量 形变 

分 类 号：O571.2[理学—粒子物理与原子核物理]