Neutron density distribution and neutron skin thickness of 208Pb

被引：8
|
作者：
Meucci, Andrea [1 ]
Vorabbi, Matteo [1 ]
Giusti, Carlotta [1 ]
Finelli, Paolo [2 ]
机构：
[1] Univ Pavia, INFN, Dipartimento Fis, Sez Pavia, I-27100 Pavia, Italy
[2] Univ Bologna, Dipartimento Fis & Astron, Ist Nazl Fis Nucl, Sez Bologna, I-40126 Bologna, Italy
来源：
PHYSICAL REVIEW C | 2014年 / 90卷 / 02期
关键词：
MEAN-FIELD THEORY; SYMMETRY ENERGY; PARAMETRIZATION; RADII; STATE; EQUATION; NUCLEI;
D O I：
10.1103/PhysRevC.90.027301
中图分类号：
O57 [原子核物理学、高能物理学];
学科分类号：
070202 ;
摘要：
We present and discuss numerical predictions for the neutron density distribution of Pb-208 using various nonrelativistic and relativistic mean-field models for the nuclear structure. Our results are compared with the very recent pion photoproduction data from Mainz. The parity-violating asymmetry parameter for elastic electron scattering at the kinematics of the PREX experiment at JLab and the neutron skin thickness are compared with the available data. We consider also the dependence between the neutron skin and the parameters of the expansion of the symmetry energy.
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页数：5
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