{
  "annotation_id": "b691d9be-23aa-428e-a156-92f2bcc48003",
  "date_created": "2026-03-02T18:00:15.351000Z",
  "date_modified": "2026-03-02T18:00:15.351000Z",
  "file_hash": "a524dcecac1a8a14e02b05839b99985ac6097a1d753ebd184ebeb88f2a6d5835",
  "private": false,
  "record": {
    "abstract": "Study of the ground-state properties of Kr, Sr and Zr isotopes has been\nperformed in the framework of the relativistic mean field (RMF) theory using\nthe recently proposed relativistic parameter set NL-SH. It is shown that the\nRMF theory provides an unified and excellent description of the binding\nenergies, isotope shifts and deformation properties of nuclei over a large\nrange of isospin in the Z=40 region. It is observed that the RMF theory with\nthe force NL-SH is able to describe the anomalous kinks in isotope shifts in Kr\nand Sr nuclei, the problem which has hitherto remained unresolved. This is in\ncontrast with the density-dependent Skyrme Hartree-Fock approach which does not\nreproduce the behaviour of the isotope shifts about shell closure. On the Zr\nchain we predict that the isotope shifts exhibit a trend similar to that of the\nKr and Sr nuclei. The RMF theory also predicts shape coexistence in heavy Sr\nisotopes. Several dramatic shape transitions in the isotopic chains are shown\nto be a general feature of nuclei in this region. A comparison of the\nproperties with the available mass models shows that the results of the RMF\ntheory are generally in accord with the predictions of the finite-range droplet\nmodel.",
    "arxiv_id": "nucl-th/9501003",
    "authors": [
      "G. A. Lalazissis",
      "M. M. Sharma"
    ],
    "categories": [
      "nucl-th"
    ],
    "doi": "10.1016/0375-9474(94)00519-S",
    "title": "Ground state properties of exotic nuclei near Z=40 in the relativistic   mean-field theory,",
    "url": "https://arxiv.org/abs/nucl-th/9501003"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "75b0143f-abd1-4e4d-85a4-f4c043f6ca89",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}