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题名: Theoretical study of the synthesis of superheavy nuclei with Z=119 and 120 in heavy-ion reactions with trans-uranium targets
作者: Wang, N ;  Zhao, EG ;  Scheid, W ;  Zhou, SG
刊名: PHYSICAL REVIEW C
出版日期: 2012
卷号: 85, 期号:4, 页码:41601
关键词: DINUCLEAR-SYSTEM MODEL ;  COMPLETE FUSION ;  MASSIVE NUCLEI ;  QUASI-FISSION ;  COLLISIONS ;  BARRIER ;  DEFORMATIONS ;  PROBABILITY ;  COMPETITION ;  RELAXATION
学科分类: Physics
通讯作者: Wang, N (reprint author), Shenzhen Univ, Coll Phys, Shenzhen 518060, Peoples R China.
部门归属: [Wang, Nan] Shenzhen Univ, Coll Phys, Shenzhen 518060, Peoples R China; [Zhao, En-Guang; Zhou, Shan-Gui] Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China; [Zhao, En-Guang; Zhou, Shan-Gui] Natl Lab Heavy Ion Accelerator, Ctr Theoret Nucl Phys, Lanzhou 730000, Peoples R China; [Zhao, En-Guang] Peking Univ, Sch Phys, Beijing 100871, Peoples R China; [Scheid, Werner] Univ Giessen, Inst Theoret Phys, D-35392 Giessen, Germany
英文摘要: By using a newly developed dinuclear system model with a dynamical potential energy surface-the DNS-DyPES model-hot fusion reactions for synthesizing superheavy nuclei (SHN) with charge numbers Z = 112-120 are studied. The calculated evaporation residue cross sections are in good agreement with available data. In the reaction Ti-50 + Bk-249. -> (299-x)119 + xn, the maximal evaporation-residue (ER) cross section is found to be about 0.11 pb for the 4n-emission channel. For projectile-target combinations producing SHN with Z = 120, the ER cross section increases as the mass asymmetry in the incident channel increases. The maximal ER cross sections for Fe-58 + Pu-244 and Cr-54 + Cm-248 are relatively small (less than 0.01 pb) and those for Ti-50 + Cf-249 and Ti-50 + Cf-251 are about 0.05 and 0.25 pb, respectively.
资助者: NSF China [10975100, 10979024, 10979066, 11175252, 11120101005]; MOST of China [2007CB815000]; CAS [KJCX2-EW-N01, KJCX2-YW-N32]; Deutsche Forschungsgemeinschaft (DFG)
收录类别: SCI
原文出处: 查看原文
语种: 英语
WOS记录号: WOS:000302292000001
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/15120
Appears in Collections:理论物理所2012年知识产出_期刊论文

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Recommended Citation:
Wang, N,Zhao, EG,Scheid, W,et al. Theoretical study of the synthesis of superheavy nuclei with Z=119 and 120 in heavy-ion reactions with trans-uranium targets[J]. PHYSICAL REVIEW C,2012,85(4):41601.
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