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Symmetry energy dependence of the pygmy and giant dipole resonances in an isospin dependent quantum molecular dynamics model
Tao Cheng; Ma Yugang; Zhang Guoqiang; Cao Xiguang; Fang Deqing; Wang Hongwei
2013
Source PublicationNUCLEAR SCIENCE AND TECHNIQUES
ISSN1001-8042; 2210-3147
Volume24Issue:3
AbstractIsospin-dependent Quantum Molecular Dynamics model (IQMD) has been applied to investigate the Pygmy Dipole Resonance (PDR) and Giant Dipole Resonance (GDR) in Ni isotopes by Coulomb excitation. By Gaussian fitting to the photon emission spectra, the peak energies and strengths of PDR and GDR are extracted. Their sensitivities to impact parameter, incident energy and the symmetry energy are discussed. By the comparison of energy-weighted sum rule (EWSR) with the data and other calculations for Ni-68, the parameters of density-dependence of symmetry energy in the IQMD are constrained. In addition, the N/Z dependence of PDR and GDR parameters of Ni isotopes are investigated, and the results that the EWSR increases linearly with the N/Z are obtained.
Indexed BySCI
Language英语
Funding Project应物所项目组
WOS IDWOS:000328921800009
Citation statistics
Cited Times:18[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/13940
Collection中科院上海应用物理研究所2011-2020年
Recommended Citation
GB/T 7714
Tao Cheng,Ma Yugang,Zhang Guoqiang,et al. Symmetry energy dependence of the pygmy and giant dipole resonances in an isospin dependent quantum molecular dynamics model[J]. NUCLEAR SCIENCE AND TECHNIQUES,2013,24(3).
APA Tao Cheng,Ma Yugang,Zhang Guoqiang,Cao Xiguang,Fang Deqing,&Wang Hongwei.(2013).Symmetry energy dependence of the pygmy and giant dipole resonances in an isospin dependent quantum molecular dynamics model.NUCLEAR SCIENCE AND TECHNIQUES,24(3).
MLA Tao Cheng,et al."Symmetry energy dependence of the pygmy and giant dipole resonances in an isospin dependent quantum molecular dynamics model".NUCLEAR SCIENCE AND TECHNIQUES 24.3(2013).
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