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题名:
Constraining simultaneously nuclear symmetry energy and neutron-proton effective mass splitting with nucleus giant resonances using a dynamical approach
作者: Kong, HY; Xu, J; Chen, LW; Li, BA; Ma, YG
刊名: PHYSICAL REVIEW C
出版日期: 2017
卷号: 95, 期号:3, 页码:-
DOI: 10.1103/PhysRevC.95.034324
文章类型: 期刊论文
英文摘要: With a newly improved isospin-and momentum-dependent interaction and an isospin-dependent Boltzmann-Uehling- Uhlenbeck transport model, we have investigated the effects of the slope parameter L of the nuclear symmetry energy and the isospin splitting of the nucleon effective mass m*(n-p) = (m*(n) - m*(p))/m on the centroid energy of the isovector giant dipole resonance and the electric dipole polarizability in Pb-208. With the isoscalar nucleon effective mass m*(s) = 0.7m constrained by the empirical optical potential, we obtain a constraint of L = 64.29 +/- 11.84 (MeV) and m*(n-p) = (-0.019 +/- 0.090) delta, with delta being the isospin asymmetry of nuclear medium. With the isoscalar nucleon effective mass m*(s) = 0.84m extracted from the excitation energy of the isoscalar giant quadruple resonance in Pb-208, we obtain a constraint of L = 53.85 +/- 10.29 (MeV) and m*(n-p) = (0.216 +/- 0.114) delta.
收录类别: SCI
语种: 英语
WOS记录号: WOS:000399143700001
ISSN号: 2469-9985
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.sinap.ac.cn/handle/331007/27283
Appears in Collections:中科院上海应用物理研究所2011-2017年_期刊论文

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Recommended Citation:
Kong, HY,Xu, J,Chen, LW,et al. Constraining simultaneously nuclear symmetry energy and neutron-proton effective mass splitting with nucleus giant resonances using a dynamical approach[J]. PHYSICAL REVIEW C,2017-01-01,95(3):-.
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文件名: Constraining simultaneously nuclear symmetry energy and neutron-proton effective mass splitting with nucleus giant resonances using a dynamical approach.pdf
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