Re-analysis of the Gamow-Teller distributions for N = Z nuclei, 24Mg, 28Si, and 32S

Nabi J., Kabir A., Bayram T.

CHINESE JOURNAL OF PHYSICS, vol.87, pp.797-803, 2024 (SCI-Expanded) identifier identifier

  • Publication Type: Article / Article
  • Volume: 87
  • Publication Date: 2024
  • Doi Number: 10.1016/j.cjph.2023.12.036
  • Journal Name: CHINESE JOURNAL OF PHYSICS
  • Journal Indexes: Science Citation Index Expanded (SCI-EXPANDED), Scopus, INSPEC, zbMATH
  • Page Numbers: pp.797-803
  • Keywords: Deformation parameter, FRDM, Gamow-Teller strength distribution, Pn-QRPA, RMF
  • Karadeniz Technical University Affiliated: Yes

Abstract

The Gamow -Teller (GT) strength distributions of sd-shell N = Z nuclei (24Mg, 28Si, and 32S) are investigated within the framework of proton-neutron quasi -particle random phase approximation (pn-QRPA) using a deformed basis. The nuclear properties of these special nuclei were investigated by the Relativistic Mean Field (RMF) model. The RMF framework with density -dependent interactions (DD-PC1 and DD-ME2) was employed to compute ground -state deformation parameters (/32) using potential energy curves. The /32 values computed from the RMF and the finite range droplet model (FRDM) were employed as a free parameter in the pnQRPA calculation to investigate the resulting GT strength distributions. The present model -based analyses compare well with the observed data.