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题名: Production cross section of superheavy nuclei in cold fusion reactions based on the relativistic mean field theory
作者: Zhang, W ;  Meng, J ;  Zhang, SQ
刊名: HIGH ENERGY PHYSICS AND NUCLEAR PHYSICS-CHINESE EDITION
出版日期: 2004
卷号: 28, 期号:1, 页码:61-68
关键词: ALPHA-DECAY ;  ELEMENTS ;  STABILITY ;  IDENTIFICATION ;  DISCOVERY ;  SHELLS ;  N=162 ;  HEAVY ;  HALO
学科分类: Physics
通讯作者: Zhang, W , Peking Univ, Sch Phys, Beijing 100871, Peoples R China.
部门归属: Peking Univ, Sch Phys, Beijing 100871, Peoples R China; Minist Educ, Key Lab Heavy Ion Phys, Beijing 100871, Peoples R China; Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China; Natl Lab Heavy Ion Accelerator, Ctr Theoret Nucl Phys, Lanzhou 730000, Peoples R China
英文摘要: Based on the constrained relativistic mean field (RMF) theory, the potential surfaces of superheavy nuclei from Z = 102 to Z = 118 are calculated, and the properties of these nuclei are extracted, including binding energy and quadruple deformation of the equilibrium and saddle point, neutron separation energy and the height of the static fission barrier, etc. With the single particle levels obtained from the constrained RMF theory, the shell correction energy, the pairing correction energy and the microscopic energy are obtained by means of Strutinsky shell correction and BCS pairing correction approaches. Production cross sections of superheavy nuclei in cold fusion reactions are estimated by a simple phenomenological model with the above structure information. Using the properties of the compound nucleus and evaporation residue provided by the constrained RMF with TM1 parameters, satisfactory agreement has been obtained with the avaliable experimental production cross sections in cold fusion reactions. The prediction for the production cross section of the nucleus (293) 118 is two order smaller than the earlier prediction and much more close to the experimental observation. Similar conclusion can also be drawn for (293) 116.
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000188651300012
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/14145
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Recommended Citation:
Zhang, W,Meng, J,Zhang, SQ. Production cross section of superheavy nuclei in cold fusion reactions based on the relativistic mean field theory[J]. HIGH ENERGY PHYSICS AND NUCLEAR PHYSICS-CHINESE EDITION,2004,28(1):61-68.
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