Abdul Kabir , Jameel-Un Nabi , Noor-Ul Ain Raza , Hamad Almujibah
{"title":"Investigation of ground state and the β-decay properties of 156−162Nd","authors":"Abdul Kabir , Jameel-Un Nabi , Noor-Ul Ain Raza , Hamad Almujibah","doi":"10.1016/j.nuclphysa.2025.123057","DOIUrl":null,"url":null,"abstract":"<div><div>The nuclear ground state and beta decay properties for <sup>156−162</sup>Nd have been investigated within the framework of the relativistic mean field (RMF) approach and proton-neutron quasi-particles random phase approximation (pn-QRPA) model. The RMF model with density-dependent interactions DDME2 and DDPC1 is utilized to analyze the potential energy curves (PECs), potential energy surfaces (PESs), the nuclear ground state deformation parameter (<span><math><msub><mrow><mi>β</mi></mrow><mrow><mn>2</mn></mrow></msub></math></span>), neutron (proton) separation energies (S<sub><em>n</em></sub>(S<sub><em>p</em></sub>) and S<span><math><msub><mrow></mrow><mrow><mn>2</mn><mi>n</mi></mrow></msub></math></span>(S<span><math><msub><mrow></mrow><mrow><mn>2</mn><mi>p</mi></mrow></msub></math></span>)), neutron skin thickness (r<span><math><msub><mrow></mrow><mrow><mi>n</mi><mi>p</mi></mrow></msub></math></span>), and root mean square radius (r<span><math><msub><mrow></mrow><mrow><mi>r</mi><mi>m</mi><mi>s</mi></mrow></msub></math></span>). Furthermore, the <span><math><msub><mrow><mi>β</mi></mrow><mrow><mn>2</mn></mrow></msub></math></span> computed via the finite range droplet model (FRDM) and RMF with DDME2 and DDPC1-based interactions are employed in the pn-QRPA model as an input parameter for the calculations of the beta decay properties, including the Gamow Teller (GT) strength, log <em>ft</em> values, and half-lives of <sup>156−162</sup>Nd. The FRDM and RMF-DDPC1-based calculated log <em>ft</em> values show better consistency with the measured data. The present computed beta decay half-lives are in reasonable agreement with the experimental data.</div></div>","PeriodicalId":19246,"journal":{"name":"Nuclear Physics A","volume":"1057 ","pages":"Article 123057"},"PeriodicalIF":1.7000,"publicationDate":"2025-02-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Nuclear Physics A","FirstCategoryId":"101","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S0375947425000430","RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"PHYSICS, NUCLEAR","Score":null,"Total":0}
引用次数: 0
Abstract
The nuclear ground state and beta decay properties for 156−162Nd have been investigated within the framework of the relativistic mean field (RMF) approach and proton-neutron quasi-particles random phase approximation (pn-QRPA) model. The RMF model with density-dependent interactions DDME2 and DDPC1 is utilized to analyze the potential energy curves (PECs), potential energy surfaces (PESs), the nuclear ground state deformation parameter (), neutron (proton) separation energies (Sn(Sp) and S(S)), neutron skin thickness (r), and root mean square radius (r). Furthermore, the computed via the finite range droplet model (FRDM) and RMF with DDME2 and DDPC1-based interactions are employed in the pn-QRPA model as an input parameter for the calculations of the beta decay properties, including the Gamow Teller (GT) strength, log ft values, and half-lives of 156−162Nd. The FRDM and RMF-DDPC1-based calculated log ft values show better consistency with the measured data. The present computed beta decay half-lives are in reasonable agreement with the experimental data.
期刊介绍:
Nuclear Physics A focuses on the domain of nuclear and hadronic physics and includes the following subsections: Nuclear Structure and Dynamics; Intermediate and High Energy Heavy Ion Physics; Hadronic Physics; Electromagnetic and Weak Interactions; Nuclear Astrophysics. The emphasis is on original research papers. A number of carefully selected and reviewed conference proceedings are published as an integral part of the journal.