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Wang, Ning; Wu, Xizhen; Li, Zhuxia; Liu, Min; Scheid, Werner; Wang, N , Univ Giessen, Inst Theoret Phys, D-35392 Giessen, Germany
Applications of Skyrme energy-density functional to fusion reactions for synthesis of superheavy nuclei
Source PublicationPHYSICAL REVIEW C
KeywordSubbarrier Fusion Deformed-nuclei Quasi-fission Heavy-nuclei Barrier Collisions Model
AbstractThe Skyrme energy-density functional approach has been extended to study massive heavy-ion fusion reactions. Based on the potential barrier obtained and the parametrized barrier distribution the fusion (capture) excitation functions of a lot of heavy-ion fusion reactions are studied systematically. The average deviations of fusion cross sections at energies near and above the barriers from experimental data are less than 0.05 for 92% of 76 fusion reactions with Z(1)Z(2)< 1200. For the massive fusion reactions, for example, the U-238-induced reactions and Ca-48+Pb-208, the capture excitation functions have been reproduced remarkably well. The influence of structure effects in the reaction partners on the capture cross sections is studied with our parametrized barrier distribution. By comparing the reactions induced by double-magic nucleus Ca-48 and by S-32 and Cl-35, the "threshold-like" behavior in the capture excitation function for Ca-48-induced reactions is explored and an optimal balance between the capture cross section and the excitation energy of the compound nucleus is studied. Finally, the fusion reactions with S-36, Cl-37, Ca-48, and Ti-50 bombarding Cm-248, Bk-247,Bk-249, Cf-250,Cf-252,Cf-254, and Es-252,Es-254, as well as the reactions leading to the same compound nucleus with Z=120 and N=182, are studied further. The calculation results for these reactions are useful for searching for the optimal fusion configuration and suitable incident energy in the synthesis of superheavy nuclei.
2006
ISSN0556-2813
Volume74Issue:4Pages:-
Subject AreaPhysics
Indexed BySCI
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/5892
Collection理论物理所科研产出_SCI论文
Corresponding AuthorWang, N , Univ Giessen, Inst Theoret Phys, D-35392 Giessen, Germany
Recommended Citation
GB/T 7714
Wang, Ning,Wu, Xizhen,Li, Zhuxia,et al. Applications of Skyrme energy-density functional to fusion reactions for synthesis of superheavy nuclei[J]. PHYSICAL REVIEW C,2006,74(4):-.
APA Wang, Ning,Wu, Xizhen,Li, Zhuxia,Liu, Min,Scheid, Werner,&Wang, N , Univ Giessen, Inst Theoret Phys, D-35392 Giessen, Germany.(2006).Applications of Skyrme energy-density functional to fusion reactions for synthesis of superheavy nuclei.PHYSICAL REVIEW C,74(4),-.
MLA Wang, Ning,et al."Applications of Skyrme energy-density functional to fusion reactions for synthesis of superheavy nuclei".PHYSICAL REVIEW C 74.4(2006):-.
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