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题名: Isoscalar giant monopole resonance in Sn isotopes using a quantum molecular dynamics model
作者: Tao, C ;  Ma, YG ;  Zhang, GQ ;  Cao, XG ;  Fang, DQ ;  Wang, HW ;  Xu, J
刊名: PHYSICAL REVIEW C
出版日期: 2013
卷号: 88, 期号:6, 页码:64615
关键词: HEAVY-ION COLLISIONS ;  NUCLEAR-MATTER COMPRESSIBILITY ;  ASYMMETRY TERM ;  INCOMPRESSIBILITY ;  EQUATION ;  STATE
学科分类: Physics
通讯作者: Ma, YG (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China.
部门归属: [Tao, C.; Ma, Y. G.; Zhang, G. Q.; Cao, X. G.; Fang, D. Q.; Wang, H. W.; Xu, J.] Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China; [Ma, Y. G.; Cao, X. G.; Fang, D. Q.] Chinese Acad Sci, Kavli Inst Theoret Phys, Beijing 100190, Peoples R China
英文摘要: The isoscalar giant monopole resonance (GMR) in Sn isotopes and other nuclei is investigated in the framework of the isospin-dependent quantum molecular dynamics (IQMD) model. The spectrum of GMR is calculated by taking the rms radius of a nucleus as its monopole moment. The peak energy, the FWHM, and the strength of the GMR extracted by a Gaussian fit to the spectrum have been studied. The GMR peak energies for Sn isotopes from the calculations using a mass-number-dependent Gaussian wave-packet width sigma(r) for nucleons are found to be overestimated and show a weak dependence on the mass number compared with the experimental data. However, it is found that experimental data of the GMR peak energies for Ni-56, Zr-90, and Pb-208 as well as Sn isotopes can be nicely reproduced after taking into account the isospin dependence in isotope chains in addition to the mass-number dependence of sigma(r) for nucleons in the IQMD model calculation.
资助者: National Natural Science Foundation of China [11035009, 11220101005, 10979074, 11175231, 11205230]; Major State Basic Research Development Program in China [2013CB834405]; Knowledge Innovation Project of Chinese Academy of Sciences [KJCX2-EW-N01]; "100-Talent Plan" of Shanghai Institute of Applied Physics from the Chinese Academy of Sciences [Y290061011]
收录类别: SCI
原文出处: 查看原文
语种: 英语
WOS记录号: WOS:000332147400003
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/15201
Appears in Collections:理论物理所2013年知识产出 _期刊论文

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Recommended Citation:
Tao, C,Ma, YG,Zhang, GQ,et al. Isoscalar giant monopole resonance in Sn isotopes using a quantum molecular dynamics model[J]. PHYSICAL REVIEW C,2013,88(6):64615.
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