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DISSIPATION: 作品数：537被引量：948H指数：16; 导出分析报告; 相关领域：理学更多>>; 相关作者：徐瑞雪张显文张凤蛟单刚义郑铁刚更多>>; 相关机构：中国科学院大学特灵空调系统(中国)有限公司中国科学技术大学清华大学更多>>; 相关期刊：更多>>; 相关基金：国家自然科学基金国家重点基础研究发展计划中国博士后科学基金国家高技术研究发展计划更多>>

Investigating the fission dynamics of the following neutron shell closed nuclei within a stochastic dynamical approach:^(210)Po,^(212)Rn,and ^(213)Fr: 《Chinese Physics C》2023年第3期127-137,共11页Divya Arora P.Sugathan A.Chatterjee; D.A.acknowledges the financial support from the University Grants Commission(UGC),Government of India,received in the form of a research fellowship(Ref.No.19/06/2016/(i)EU-V,Sr.No.2061651303)。; The dissipative dynamics of nuclear fission is a well confirmed phenomenon that can be either described by a Kramers-modified statistical model or by a dynamical model employing the Langevin equation.Although dynamica...; 关键词：FUSION-FISSION nuclear dissipation dynamical model neutron shell closure saddle shell corrections

Simulation of the fission dynamics of the excited compound nuclei ^206Po and ^168Yb produced in the reactions ^12C＋^194Pt and ^18O＋^150Sm: 《Chinese Physics C》2017年第4期69-74,共6页H. Eslamizadeh F. Bagheri; Support from the Research Committee of the Persian Gulf University; A two-dimensional dynamical model based on the Langevin equation was used to study the fission dynamics of the compound nuclei ^206Po and ^168Yb produced in the reactions ^12C＋^194Pt and ^18O＋^150Sm,respectively.The...; 关键词：dissipation coefficient Langevin model fission cross section

Effect of pre-equilibrium emission on probing postsaddle nuclear dissipation with neutrons: 《Chinese Physics C》2016年第9期52-57,共6页田舰叶巍; Supported by National Nature Science Foundation of China(11575044); Using the stochastic Langevin model coupled with a statistical decay model, we study the influence of pre-equilibrium（PE） emission on probing postsaddle friction（β） with neutrons. A postsaddle friction value of（...; 关键词：nuclear dissipation Langevin model pre-equilibrium emission NEUTRON

Langevin analysis of fission excitation functions induced by protons: 《Chinese Physics C》2015年第3期19-23,共5页田舰王宁叶巍; Supported by National Nature Science Foundation of China(11075034); The stochastic Langevin approach to fission is applied to analyze fission excitation functions measured in p＋206Pb and p＋209Bi systems. A presaddle friction strength of （3 5） ×1021 s -1 is extracted by comparing ...; 关键词：compound nucleus decay fission excitation function nuclear dissipation

Study of shape isomer yields of ^(240)Am in the framework of a dynamical-statistical model: 《Chinese Physics C》2010年第11期1714-1716,共3页Hadi Eslamizadeh; A dynamical statistical model is used to analyze the experimental shape isomer yields data in the reaction d＋240Pu at E=20–29 MeV.The possibility of determining the nuclear dissipation is discussed.Comparison of the...; 关键词：FISSION fission barrier reduced dissipation coeffcient

System size effects on probing nuclear dissipation with neutrons: 《Chinese Physics C》2010年第5期551-554,共4页吴锋叶巍; Supported by National Natural Science Foundation of China (10405007);Scientific Research Foundation of the Ministry of Education of China for Returned Overseas Scholars; Using a dynamical Langevin equation coupled with a statistical decay model, we calculate the excess of the pre-scission neutron multiplicities over its standard statistical-model values as a function of the nuclear di...; 关键词：system size effects neutron multiplicity nuclear dissipation

Surveying post-saddle nuclear dissipation with protons and α particles as probes: 《Chinese Physics C》2010年第1期45-48,共4页叶巍; Supported by National Nature Science Foundation of China (10405007);Scientific Research Foundation of the Ministry of Education of China for Returned Overseas Scholars; Using a Langevin model, we calculate post-saddle proton and α-particle multiplicities as a function of the post-saddle dissipation strength （β） for the heavy systems 234Cf, 240Cf, 246Cf and 240U. We find that, wit...; 关键词：nuclear dissipation light charged-particle multiplicity isospin effect

Surveying the role of excitation energy in probing nuclear dissipation: 《Chinese Physics C》2009年第7期528-531,共4页叶巍; Supported by National Natural Science Foundation of China (10405007); A dynamical Langevin model is employed to calculate the excess of the evaporation residue cross sections of the ^194Pb nucleus over that predicted by the standard statistical model as a function of nuclear dissipation...; 关键词：nuclear dissipation excitation energy evaporation residue cross section Langevin equation

Understanding of the dissipation mechanism in ternary fission for the system ^(197)Au+^(197)Au: 《Chinese Physics C》2009年第S1期109-112,共4页田俊龙李贤吴锡真李祝霞晏世伟; Supported by National Natural Science Foundation of China (10475008, 10435020, 10235030, 10675172);Scientific Research Foundation for Returned Overseas Chinese Scholars, Ministry of Personnel and Ministry of Education of China (MOP2006138,MOE2005383);National Basic Research program of China (2007CB209900) and HSCC of Beijing Normal University; The mass number distributions of three fragments from the ternary fission of the system 197Au+197Au are reproduced rather well by using the improved quantum molecular dynamics (ImQMD) model without any adjusting param...; 关键词：ImQMD 197Au+197Au ternary fission two-body dissipation

Study on the formation of the composite system of ^(238)U+^(238)U: 《Chinese Physics C》2009年第S1期30-32,共3页吴锡真田俊龙赵凯张英逊李祝霞; Supported by National Natural Science Foundation of China (10235030, 10675172);National Basic Research Program of China (2007CB209900); Strongly damped reactions of 238U+238U, at Ecm = 680—1880 MeV have been studied based on the improved quantum molecular dynamics model. We find that at a certain energy region the entrance channel potential is weakly...; 关键词：ImQMD model strongly damped reaction DISSIPATION

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