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Nuclear Theory

arXiv:2203.03493 (nucl-th)
[Submitted on 7 Mar 2022]

Title:Charge radii of Ca isotopes and correlations

Authors:G. Co', M. Anguiano, A. M. Lallena
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Abstract:We study the effects of short- and long-range correlations on the charge radii of Ca isotopes. We start our investigation with an independent particle model consisting in Hartree-Fock plus Bardeen-Cooper-Schrieffer calculations with finite-range effective nucleon-nucleon interactions of Gogny type. The short-range correlations effects are evaluated by considering all the terms of a cluster expansion containing a single correlation line. The long-range correlations are taken into account by including the coupling with the quasi-particle random phase approximation phonons. While the effects of the short-range correlations are negligible, those of the long-range correlations largely modify the independent particle model results and improve the agreement with the experimental data.
Comments: 9 pages, 5 figures, 1 table. Accepted for publication in Physical Review C
Subjects: Nuclear Theory (nucl-th)
Cite as: arXiv:2203.03493 [nucl-th]
  (or arXiv:2203.03493v1 [nucl-th] for this version)
  https://doi.org/10.48550/arXiv.2203.03493
Related DOI: https://doi.org/10.1103/PhysRevC.105.034320

Submission history

From: Antonio M. Lallena [view email]
[v1] Mon, 7 Mar 2022 16:13:03 UTC (353 KB)
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