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Study of isoscaling phenomena for projectile-like fragments
Su, QM(苏前敏); Fang, DQ(方德清); Ma, YG(马余刚); Zhong, C(钟晨); Ma, CW(马春旺); Wang, K; Yan, TZ; Cai, XZ(蔡翔舟); Shen, WQ(沈文庆)
2006
Conference NameInternational Conference on Frontiers of Nuclear Structure
Source PublicationINTERNATIONAL JOURNAL OF MODERN PHYSICS E-NUCLEAR PHYSICS
Pages1803
Conference DateJUN, 2006
Conference PlaceShanghai, PEOPLES R CHINA
AbstractIn the framework of a modified statistical abrasion-ablation (SAA) model, the isospin effect and isoscaling behavior in projectile fragmentation have been systematically investigated. The normalized peak differences and reduced isoscaling parameters are found to decrease with (Z(proj)-Z)/Z(proj) and have no significant dependence on the size of reaction systems. The linear dependence of alpha and vertical bar beta vertical bar on Delta[(Z/A)(2)] or Delta[(N/A)(2)] for projectile-like fragments is demonstrated, which is obtained for light fragments from multifragmentation in the grand-canonical limit. Assuming a Fermi-gas behavior, the excitation energy dependence of the symmetry energy coefficients are tentatively extracted from alpha and beta which looks consistent with the experimental data. It is pointed out that the reduced isoscaling parameters can be used as an observable to study the excitation extent of system and asymmetric nuclear equation of state in heavy ion collisions.
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/331007/8904
Collection中科院上海应用物理研究所2004-2010年
Recommended Citation
GB/T 7714
Su, QM,Fang, DQ,Ma, YG,et al. Study of isoscaling phenomena for projectile-like fragments[C],2006:1803.
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