摘要
An improved method is proposed for the extraction of the symmetry energy coefficient relative to the temperature, asym/T, for the heavy-ion reactions near the Fermi energy region, based on the modified Fisher Model(MFM). This method is applied to the primary fragments of the Anti-symmetrized Molecular Dynamics(AMD)simulations for the reactions of40 Ca + 40 Ca at 35 Me V/nucleon. The density and the temperature at the fragment formation stage are extracted using a self-consistent method.
An improved method is proposed for the extraction of the symmetry energy coefficient relative to the temperature, asym/T, for the heavy-ion reactions near the Fermi energy region, based on the modified Fisher Model（MFM）. This method is applied to the primary fragments of the Anti-symmetrized Molecular Dynamics（AMD）simulations for the reactions of^40 Ca ＋^ 40 Ca at 35 Me V/nucleon. The density and the temperature at the fragment formation stage are extracted using a self-consistent method.
基金
Supported by the National Natural Science Foundation of China(Nos.11075189 and 11205209)
100 Persons Project(Nos.0910020BR0and Y010110BR0)
ADS project 302(No.Y103010ADS)of the Chinese Academy of Sciences
the U.S.Department of Energy(No.DE-FG03-93ER40773)
the Robert A.Welch Foundation(No.A0330)
关键词
对称能
重离子碰撞
提取
主段
重离子反应
分子动力学
费米能级
自洽方法
Intermediate energy heavy ion reactions,Symmetry energy,Density,Temperature,Modified Fisher model,Selfconsistent method
