CAS OpenIR  > 中科院上海应用物理研究所2004-2010年
DYNAMICAL AND SEQUENTIAL DECAY EFFECTS ON ISOSCALING AND DENSITY DEPENDENCE OF THE SYMMETRY ENERGY
Tian, WD(田文栋); Ma, YG(马余刚); Cai, XZ(蔡翔舟); Fang, DQ(方德清); Guo, W; Ma, CW; Liu, GH; Shen, WQ(沈文庆); Shi, Y; Wang, HW; Wang, K; Yan, TZ
2008
Conference NameInternational Workshop on Nuclear Dynamics in Heavy-Ion Reactions and Neutron Stars
Source PublicationINTERNATIONAL JOURNAL OF MODERN PHYSICS E-NUCLEAR PHYSICS
Pages1705
Conference DateJUL 09-14, 2007
Conference PlaceBeijing, PEOPLES R CHINA
AbstractIsoscaling properties of the primary and final products are studied via isospin dependent quantum molecular dynamics (IQMD) model and the followed sequential decay model GEMINI, respectively. Both primary and final products isoscaling parameter alpha keeps no significant change for light fragments, but increases with the mass for intermediate and heavy products. The dynamical effect on isoscaling is reflected on the alpha decreasing a little with the evolution time of the system, and opposite trend for the heavy products. The secondary decay effect on isoscaling is reflected on the increasing of the alpha value for the final products which experienced secondary decay process. Furthermore the density dependence of the symmetry energy has also been explored for the primary and secondary products, the symmetry energy coefficient can be expressed by the form of C(sym) (rho) similar to C(0) (rho/rho(0))(gamma), C(0) and gamma extracted from the primary products are consistent with the input values. In the paper we also suggest that it might be more reasonable to describe the density dependence of the symmetry energy coefficient by the C(sym) (rho/rho(0)) approximate to C(1)(rho/rho(0))(gamma stiff) with gamma(soft) <= 1, r(stiff) >= 1 and C(1), C(2) constant parameters.
ISSN0218-3013
Indexed BySCI
Funding Project应物所课题组
Language英语
Document Type会议论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/8832
Collection中科院上海应用物理研究所2004-2010年
Recommended Citation
GB/T 7714
Tian, WD,Ma, YG,Cai, XZ,et al. DYNAMICAL AND SEQUENTIAL DECAY EFFECTS ON ISOSCALING AND DENSITY DEPENDENCE OF THE SYMMETRY ENERGY[C],2008:1705.
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