nucl-th digest · Aug 13, 2021

Strange Baryons in Nuclei and Neutron Stars

In this contribution we review the dynamics of hyperons with nucleons and nuclear matter, paying a special attention to hypernuclei. We also discuss the presence of hyperons in the inner core of neutron stars and the consequences for the structure of these compact stars.

Comments:: 4 pages, contribution to the proceedings for the 19th International Conference on Strangeness in Quark Matter (SQM 2021), online 17-22 May 2021 (Submission to EPJ)
Subjects:: Nuclear Theory (nucl-th); High Energy Astrophysical Phenomena (astro-ph.HE); High Energy Physics — Experiment (hep-ex); High Energy Physics — Phenomenology (hep-ph)
arXiv:: 2108.05606 [pdf]

EPJ Web Conf.(2022)·1 citation

[Submitted on 12 Aug 2021]

Self-consistent description of the halo nature of 31Ne with continuum and pairing correlations

Shisheng Zhang · Shiyi Zhong · Bo Shao · Michael Scott Smith

Using a Glauber model with our relativistic fully microscopic structure model input, we give a full description of the halo nature of 31Ne that includes a self-consistent use of pairing and continuum contributions that makes predictions consistent with reaction cross section measurements. Our predictions of total reaction and one-neutron removal cross sections of 31Ne on a Carbon target were significantly enhanced compared with those of neighboring Neon isotopes, agreeing well with measurements at 240 MeV/nucleon and consistent with a single neutron halo. Furthermore, our calculations of the inclusive longitudinal momentum distribution of the 30Ne and valence neutron residues from the 31Ne breakup reaction indicate a dilute density distribution in coordinate space, another halo signature.

Subjects:: Nuclear Theory (nucl-th)
arXiv:: 2108.05609 [pdf]

J.Phys.G(2022)·11 citations

Friday·August 13, 2021

Strange Baryons in Nuclei and Neutron Stars

Self-consistent description of the halo nature of 31Ne with continuum and pairing correlations

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