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Anupam, A.
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Energy Physics

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Radial Sensitivity of the Nuclear Shell Structure at N=92 Swain, R. R.; Anupam, A.; Mohanty, P.; Jena, K. K.; Agarwalla, S. K.; Sahu, B. B.
Atom Indonesia Vol 51, No 1 (2025): APRIL 2025
Publisher : National Research and Innovation Agency

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55981/aij.2025.1491

Abstract

The nuclear ground-state properties of Sm isotopes are calculated and analyzed using an improved mass formula. The asymmetric energy term is consistently observed, separated into a volume and surface component. While distinctive signatures for certain isotopes remain elusive, the results show reasonable agreement with experimental data and well-established theoretical models such as the Relativistic-Continuum-Hartree-Bogoliubov (RCHB) and the Finite Range Droplet Model (FRDM). By utilizing a root-mean-square (rms) charge radius formula that incorporates both shell and deformation effects, the study provides new insights into the anomalous shifts observed in magic isotopes (N=82, N=126), as well as in N=92, 136, and 144 within the isotopic series of the "Sm" element.
Co-Authors Agarwalla, S. K. Jena, K. K. Mohanty, P. Sahu, B. B. Swain, R. R.