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题名: Theoretical study of fusion reactions S-32+Zr-94,Zr-96 and Ca-40+Zr-94,Zr-96 and quadrupole deformation of Zr-94
作者: Wang, B ;  Zhao, WJ ;  Zhao, EG ;  Zhou, SG
刊名: SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY
出版日期: 2016
卷号: 59, 期号:4, 页码:UNSP 642002
关键词: empirical coupled channel model ;  barrier distribution ;  universal fusion function ;  neutron transfer
学科分类: Physics
DOI: http://dx.doi.org/10.1007/s11433-016-5781-0
通讯作者: Zhou, SG (reprint author), Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China. ;  Zhou, SG (reprint author), Natl Lab Heavy Ion Accelerator, Ctr Theoret Nucl Phys, Lanzhou 730000, Peoples R China.
文章类型: Article
英文摘要: The dynamic coupling effects on fusion cross sections for reactions S-32 + Zr-94,Zr-96 and Ca-40 + Zr-94,Zr-96 are studied with the universal fusion function formalism and an empirical coupled channel (ECC) model. An examination of the reduced fusion functions shows that the total effect of couplings to inelastic excitations and neutron transfer channels on fusion in S-32 + Zr-94 (Ca-40 + Zr-94) is almost the same as that in S-32 + Zr-96 (Ca-40 + Zr-96). The enhancements of the fusion cross section at sub-barrier energies due to inelastic channel coupling and neutron transfer channel coupling are evaluated separately by using the ECC model. The results show that effect of couplings to inelastic excitations channels in the reactions with Zr-94 as target should be similar as that in the reactions with Zr-96 as target. This implies that the quadrupole deformation parameters beta(2) of Zr-94 and Zr-96 should be similar to each other. However, beta(2)'s predicted from the finite-range droplet model, which are used in the ECC model, are quite different. Experiments on Ca-48 + Zr-94 or S-36 + Zr-94 are suggested to solve the puzzling issue concerning beta(2) for Zr-94.
类目[WOS]: Physics, Multidisciplinary
关键词[WOS]: HEAVY-ION FUSION ;  WEAKLY-BOUND NUCLEI ;  CROSS-SECTIONS ;  SUBBARRIER ENERGIES ;  BARRIER PENETRATION ;  SUPERHEAVY NUCLEI ;  QUASI-FISSION ;  DYNAMICS ;  BREAKUP ;  MODEL
收录类别: SCI
项目资助者: National Key Basic Research Program of China [2013CB834400] ;  National Natural Science Foundation of China [11175252, 11120101005, 11275248, 11475115, 11525524] ;  Chinese Academy of Sciences [KJCX2-EW-N01]
语种: 英语
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/21715
Appears in Collections:理论物理所2016年知识产出_期刊论文

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Recommended Citation:
Wang, B,Zhao, WJ,Zhao, EG,et al. Theoretical study of fusion reactions S-32+Zr-94,Zr-96 and Ca-40+Zr-94,Zr-96 and quadrupole deformation of Zr-94[J]. SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY,2016,59(4):UNSP 642002.
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