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Nuclear Theory·nucl-th

Wednesday·September 18, 2024

10 papers—2 primary·8 cross-listed

All10Primary2Cross-lists8
  1. 01

    Iso-scalar liquid drop model

    Krzysztof Pomorski · Zhigang Xiao

    New liquid drop model with the isospin-square dependence of the volume and surface energy terms is applied to reproduce experimentally known masses of nuclei with number of protons and neutrons larger or equal to twenty. The ground-state microscopic energy corrections are taken into account. In spite of the fact that the model contains only six adjustable parameters, the quality of mass reproduction is good, and it is comparable with other contemporary mass models. Also, the fission barrier heights of actinide nuclei evaluated using the topographical theorem of Myers and Swiatecki are close to the data.

    nucl-thCPC(2025)·4 citations
  2. 02

    Higher forbidden unique decay transitions and shell-model interpretation

    Archana Saxena · Praveen C. Srivastava

    In the present work, we have predicted the half-lives for the decay for higher forbidden unique transitions in the mass range of nuclei from A = 40-138. For these transitions, the experimental data for half-lives are not available except for a few cases. The calculations for half-lives are performed within the framework of the nuclear shell model (SM). We have used the effective interactions sdpf-mu, gxpf1a, gwbxg, G-matrix, snet, sn100pn, and jj56pnb to perform the SM calculations in different mass regions. A comprehensive discussion has been made between the SM-predicted half-lives and the scaled half-lives from proton-neutron quasiparticle random-phase approximation (pnQRPA). The results of the present study will be useful to plan new experiments to measure half-lives for these higher forbidden unique transitions.

    nucl-thnucl-exNPA(2024)·1 citation

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first authorsco-authorsvia INSPIRE