Possibilities for the synthesis of superheavy element Z=121 in fusion reactions 被引量：1

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摘要 Based on the dinuclear system model,the calculated evaporation residue cross sections matched well with the current experimental results.The synthesis of superheavy elements Z=121 was systematically studied through combinations of stable projectiles with Z=21-30 and targets with half-lives exceeding 50 d.The influence of mass asymmetry and isotopic dependence on the projectile and target nuclei was investigated in detail.The reactions^(254)Es(^(46)Ti,3n)^(297)121 and^(252)Es(^(46)Ti,3n)^(295)121 were found to be experimentally feasible for synthesizing superheavy element Z=121,with maximal evaporation residue cross sections of 6.619 and 4.123 fb at 219.9 and 223.9 MeV,respectively.

作者 Ming-Hao Zhang Yu-Hai Zhang Ying Zou Xiu-Xiu Yang Gen Zhang Feng-Shou Zhang

机构地区 The Key Laboratory of Beam Technology of Ministry of Education Institute of Radiation Technology School of Physical Science and Technology National Laboratory of Heavy Ion Accelerator of Lanzhou

出处《Nuclear Science and Techniques》 SCIE EI CAS CSCD 2024年第6期90-100,共11页 核技术（英文）

基金 the National Key R&D Program of China(No.2023YFA1606401) the National Natural Science Foundation of China(Nos.12135004,11635003 and 11961141004).

关键词 Superheavy nuclei Dinuclear system model Fusion reaction Evaporation residue cross section

分类号 TL62 [核科学技术—核技术及应用]

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