Constraining equation of state of nuclear matter by charge-changing cross section measurements of mirror nuclei
Constraining equation of state of nuclear matter by charge-changing cross section measurements of mirror nuclei
复制标题
通过镜核电荷变化截面测量约束核物质的状态方程
DOI：
10.1016/j.physletb.2022.137333
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发表时间：
2022-05
影响因子：
4.4
通讯作者：
Tanihata Isao
中科院分区：
文献类型：
--
作者：
Xu Jun-Yao;Li Zheng-Zheng;Sun Bao-Hua;Niu Yi-Fei;Roca-Maza Xavier;Sagawa Hiroyuki;Tanihata Isao
The nuclear symmetry energy plays a key role in determining the equation of state (EoS) of dense, neutron-rich matter, which connects the atomic nuclei with the hot and dense matter in universe, thus has been the subject of intense investigations in laboratory experiments, astronomy observations and theories. Various probes have been proposed to constrain the symmetry energy and its density dependence. Currently, the extensive data yield already a good and consistent constraint to the symmetry energy ( E sym ( ρ ) ) at saturation density, but do not yet give a consistent result of one critical EoS parameter, L , the density dependence of the symmetry energy. In this work, we report a new probe of L at saturation density. A good linear correlation is found between L and the charge changing cross section difference ( Δ σ cc ) of mirror nuclei 30 Si- 30 S for both the Skyrme-Hartree-Fock theory (SHF) and covariant (relativistic) density functionals (CDF). We found that the pairing effect for this mirror pair is essential to get a consistent correlation between L and Δ σ cc in both the SHF and CDF. Here, the cross sections are calculated on the same target and at the same energy using the zero-range optical-limit Glauber model. The linearity is found to be in the same precision as those found between L and neutron skin thickness or proton radius difference.
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影响因子：
4.4
作者：
Xu Hao-jie;Li Hanlin;Wang Xiaobao;Shen Caiwan;Wang Fuqiang
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DOI：
10.3847/1538-4357/ab4adf
发表时间：
2019-07
期刊：
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期刊：
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影响因子：
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影响因子：
1.4
作者：
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通讯作者：
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DOI：
10.1016/j.physrep.2008.04.005
发表时间：
2008-04
期刊：
arXiv: Nuclear Theory
影响因子：
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通讯作者：
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