https://doi.org/10.1140/epja/s10050-023-01013-8
Regular Article - Theoretical Physics
Study of S, Cl and Ar isotopes with 
using microscopic effective sd-shell interactions
Department of Physics, Indian Institute of Technology Roorkee, 247667, Roorkee, Uttarakhand, India
b
praveen.srivastava@ph.iitr.ac.in
Received:
16
November
2022
Accepted:
20
April
2023
Published online:
4
May
2023
In the present work, newly developed microscopic effective sd-valence shell interactions such as chiral next-to-next-to-next-to-leading order (N3LO), J-matrix inverse scattering potential (JISP16), Daejeon16 (DJ16), and monopole-modified DJ16 (DJ16A) are employed to study the nuclear structural properties of sulphur, chlorine, and argon isotopes with . These interactions are derived using the ab initio no-core shell-model and the OLS unitary transformation method. We calculate energy spectra and electromagnetic properties to test the predictive strength of the effective interactions for these heavier sd-shell nuclei. For a complete systematic study, we compare the microscopic results with the phenomenological USDB results and experimental data. By looking at the excitation energies of these nuclei, the DJ16A interaction is found to be the most suitable for these sd-shell nuclei among all microscopic interactions. The electric quadrupole transition strength and excitation energy of the first 
state data of even–even sulphur isotopes indicate the presence of the 
shell closure. Quadrupole moment predictions are also made using these interactions where experimental data are unknown. Magnetic moments are in excellent agreement with the experimental values. The root-mean-square deviations are also calculated to provide an idea of how accurate these interactions are.
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© The Author(s), under exclusive licence to Società Italiana di Fisica and Springer-Verlag GmbH Germany, part of Springer Nature 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.
