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采用双核模型研究超重核合成机制
作者姓名:WANG Yi-peng  GUO Shu-qing  BAO Xiao-jun  DENG Jun-gang  ZHANG Hong-fei
摘    要:本文首先介绍了两种描述低能重离子核反应的理论,然后基于这些理论发展了一个描述超重核合成的理论模型,即双核模型(dinuclear system model)。不同于Adamian 的处理,本文的模型采用数值求解主方程的方法来描述重离子的熔合过程,重点讨论了熔合过程中主方程的发展演化,选择一维至三维不同的宏观自由度说明重离子熔合机制,为今后进一步发展模型与预言新核素提供理论依据。

关 键 词:超重核    双核模型    熔合机制    主方程

Study of the Synthesis of Super Heavy Nuclei Based on Dinuclear System
WANG Yi-peng,GUO Shu-qing,BAO Xiao-jun,DENG Jun-gang,ZHANG Hong-fei.Study of the Synthesis of Super Heavy Nuclei Based on Dinuclear System[J].Progress In Physics,2021,41(4):157.
Authors:WANG Yi-peng  GUO Shu-qing  BAO Xiao-jun  DENG Jun-gang  ZHANG Hong-fei
Abstract:This review firstly introduces two low energy heavy ion reaction mechanisms. Then, based on these theories, we have developed a dinuclear system model describing the synthesis of super heavy nuclear. Different from Adamian’s calculation method, we solve the master equation numerically to describe the heavy ion fusion mechanism. This review chooses 1D to 3D different macroscopic degrees of freedom to illustrate the fusion of heavy ions, focusing on the development and evolution of the master equation during the fusion process, and providing a theoretical basis for further development of models and predictions of new nuclides in the future.
Keywords:super heavy nuclei    dinuclear system model    fusion mechanism    master equation
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