Density dependence of the nuclear symmetry energy and neutron skin thickness in the KIDS framework
Published:
Oct 17, 2022
Keywords:
nuclear theory nuclear symmetry energy
Abstract
The KIDS framework for the nuclear equation of state (EoS) and energy density functional (EDF) offers the possibility to explore systematically the effect of EoS parameters on predictions for a variety of observables. The EoS parameters can be varied independently of each other and independently of assumptions regarding the in-medium nucleon effective mass. Here I present a pilot study of the neutron skin thickness (NST) in nuclei of current interest. The results indicate that variations of the symmetry energy slope parameter L by roughly 10 MeV and variations of the droplet-model counterpart of the curvature parameter Kτ by roughly 20 MeV affect predictions by comparable amounts. However, structural details may also have sizable effects on predictions, notably in the cases of 68Ni and 208Pb. This work is part of a systematic investigation of the NST within the KIDS framework and of a broader effort to constrain the density dependence of the nuclear symmetry energy.
Article Details
- How to Cite
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Papakonstantinou, P. (2022). Density dependence of the nuclear symmetry energy and neutron skin thickness in the KIDS framework. HNPS Advances in Nuclear Physics, 28, 36–41. https://doi.org/10.12681/hnps.3602
- Issue
- Vol. 28 (2021): HNPS2021
- Section
- Oral contributions
This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
References
M. Baldo and G.F. Burgio, Prog. Part. Nucl. Phys. 91, p. 203 (2016)
X. Roca-Maza and N. Paar, Prog. Part. Nucl. Phys. 101, p. 96 (2018)
T.Aumann et al., Phys. Rev. Lett. 119, 262501 (2017)
D.Adhikari et al., Phys. Rev. Lett. 126, 172502 (2021)
B.P.Abbott et al., Phys. Rev. X9, 011001 (2019)
M.C.Miller et al., arXiv: 2105.06979
H. Gil, Y.-M. Kim, P. Papakonstantinou, and C. H. Hyun, Phys. Rev. C 103, 034330 (2021).
P. Papakonstantinou, T.-S. Park, Y. Lim, and C. H. Hyun, Phys. Rev. C 97, 014312 (2018).
G. Ahn and P. Papakonstantinou, HNPS Advances in Nuclear Physics vol.26, p. 112 (2019).
P. Papakonstantinou and H. Gil, HNPS Advances in Nuclear Physics vol.26, p. 104 (2019).
H. Gil, P. Papakonstantinou, C. H. Hyun, and Y. Oh, Phys. Rev. C 99, 064319 (2019).
H. Gil, et al., Phys. Rev. C 100, 014312 (2019).
H. Gil, P. Papakonstantinou, and C. H. Hyun, arXiv: 2110.09802.
Jun Xu and P. Papakonstantinou, in preparation.
National Nuclear Data Center, Brookhaven National Laboratory, www.nndc.bnl.gov/nudat2/
I. Angeli and K. P. Marinova, At. Data Nucl. Data Tables 99, 69 (2013).