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Constraining simultaneously nuclear symmetry energy and neutron-proton effective mass splitting with nucleus giant resonances using a dynamical approach
Kong, HY; Xu, J; Chen, LW; Li, BA; Ma, YG
2017
Source PublicationPHYSICAL REVIEW C
ISSN2469-9985
Volume95Issue:3Pages:-
Subtype期刊论文
AbstractWith 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.
DOI10.1103/PhysRevC.95.034324
Indexed BySCI
Language英语
WOS IDWOS:000399143700001
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/27283
Collection中科院上海应用物理研究所2011-2018年
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GB/T 7714
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,2017,95(3):-.
APA Kong, HY,Xu, J,Chen, LW,Li, BA,&Ma, YG.(2017).Constraining simultaneously nuclear symmetry energy and neutron-proton effective mass splitting with nucleus giant resonances using a dynamical approach.PHYSICAL REVIEW C,95(3),-.
MLA Kong, HY,et al."Constraining simultaneously nuclear symmetry energy and neutron-proton effective mass splitting with nucleus giant resonances using a dynamical approach".PHYSICAL REVIEW C 95.3(2017):-.
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