Constraining Isovector Nuclear Interactions with Giant Dipole Resonance and Neutron Skin in $^{208}$Pb from a Bayesian Approach

doi:10.1088/0256-307X/38/4/042101

Chin. Phys. Lett.

2021, Vol. 38

Issue (4): 042101 DOI: 10.1088/0256-307X/38/4/042101

NUCLEAR PHYSICS

Constraining Isovector Nuclear Interactions with Giant Dipole Resonance and Neutron Skin in $^{208}$Pb from a Bayesian Approach

Jun Xu^1,2*

¹The Interdisciplinary Research Center, Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai 201210, China
²Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, China

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Jun Xu 2021 Chin. Phys. Lett. 38 042101

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Abstract The remaining uncertainties in relation to isovector nuclear interactions call for reliable experimental measurements of isovector probes in finite nuclei. Based on the Bayesian analysis, although neutron-skin thickness data or isovector giant dipole resonance data in $^{208}$Pb can constrain only one isovector interaction parameter, correlations among other parameters can also be built. Using combined data for both the neutron-skin thickness and the isovector giant dipole resonance helps to significantly constrain all isovector interaction parameters; as such, it serves as a useful methodology for future research.

Received: 17 December 2020 Published: 06 April 2021

PACS:	21.65.Ef	(Symmetry energy)
	21.60.Jz	(Nuclear Density Functional Theory and extensions (includes Hartree-Fock and random-phase approximations))
	21.10.Gv	(Nucleon distributions and halo features)

Fund: Supported by the National Natural Science Foundation of China (Grant No. 11922514).

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https://cpl.iphy.ac.cn/10.1088/0256-307X/38/4/042101 OR https://cpl.iphy.ac.cn/Y2021/V38/I4/042101

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