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DYNAMICAL AND SEQUENTIAL DECAY EFFECTS ON ISOSCALING AND DENSITY DEPENDENCE OF THE SYMMETRY ENERGY
Tian, WD; Ma, YG(马余刚); Cai, XZ(蔡翔舟); Fang, DQ(方德清); Guo, W(郭威); Ma, CW; Liu, GH; Shen, WQ(沈文庆); Shi, Y; Wang, HW; Wang, K; Yan, TZ; Tian, WD (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, POB 800-204, Shanghai 201800, Peoples R China
2008
Source PublicationINTERNATIONAL JOURNAL OF MODERN PHYSICS E-NUCLEAR PHYSICS
ISSN0218-3013
Volume17Issue:9Pages:1705
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.
Subject AreaPolymer Science
Indexed BySCI
Language英语
Funding Project应物所项目组
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/7701
Collection中科院上海应用物理研究所2004-2010年
Corresponding AuthorTian, WD (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, POB 800-204, Shanghai 201800, Peoples R China
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[J]. INTERNATIONAL JOURNAL OF MODERN PHYSICS E-NUCLEAR PHYSICS,2008,17(9):1705.
APA Tian, WD.,Ma, YG.,Cai, XZ.,Fang, DQ.,Guo, W.,...&Tian, WD .(2008).DYNAMICAL AND SEQUENTIAL DECAY EFFECTS ON ISOSCALING AND DENSITY DEPENDENCE OF THE SYMMETRY ENERGY.INTERNATIONAL JOURNAL OF MODERN PHYSICS E-NUCLEAR PHYSICS,17(9),1705.
MLA Tian, WD,et al."DYNAMICAL AND SEQUENTIAL DECAY EFFECTS ON ISOSCALING AND DENSITY DEPENDENCE OF THE SYMMETRY ENERGY".INTERNATIONAL JOURNAL OF MODERN PHYSICS E-NUCLEAR PHYSICS 17.9(2008):1705.
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