CAS OpenIR  > 中科院上海应用物理研究所2011-2019年
Thermal properties of asymmetric nuclear matter with an improved isospin- and momentum-dependent interaction
Xu, J; Chen, LW; Li, BA
2015
Source PublicationPHYSICAL REVIEW C
Volume91Issue:1Pages:
Subtype期刊文献
AbstractThermal properties of asymmetric nuclear matter, including the temperature dependence of the symmetry energy, single-particle properties, and differential isospin fractionation, are investigated with different neutronproton effective mass splittings by using an improved isospin- and momentum-dependent interaction. In this improved interaction, the momentum dependence of the isoscalar single-particle potential at saturation density is well fit to that extracted from optical-model analyses of proton-nucleus scattering data up to the nucleon kinetic energy of 1 GeV, and the isovector properties, i.e., the slope of the nuclear symmetry energy, the momentum dependence of the symmetry potential, and the symmetry energy at saturation density, can be flexibly adjusted via three parameters: x, y, and z, respectively. Our results indicate that the nucleon phase-space distribution in equilibrium, the temperature dependence of the symmetry energy, and the differential isospin fractionation can be significantly affected by the isospin splitting of the nucleon effective mass.
KeywordHeavy-ion Collisions Effective-mass Neutron Proton Constraints Scattering Equation Energy State
Indexed BySCI
Language英语
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/24603
Collection中科院上海应用物理研究所2011-2019年
Recommended Citation
GB/T 7714
Xu, J,Chen, LW,Li, BA. Thermal properties of asymmetric nuclear matter with an improved isospin- and momentum-dependent interaction[J]. PHYSICAL REVIEW C,2015,91(1):—.
APA Xu, J,Chen, LW,&Li, BA.(2015).Thermal properties of asymmetric nuclear matter with an improved isospin- and momentum-dependent interaction.PHYSICAL REVIEW C,91(1),—.
MLA Xu, J,et al."Thermal properties of asymmetric nuclear matter with an improved isospin- and momentum-dependent interaction".PHYSICAL REVIEW C 91.1(2015):—.
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