{
  "annotation_id": "bc8e7665-ef8a-423c-b28b-a80599925daf",
  "date_created": "2026-03-02T18:00:11.487000Z",
  "date_modified": "2026-03-02T18:00:11.487000Z",
  "file_hash": "6cff8fe6db3cba5a4534b12a6e4ffb020e2cb878577a37679383648baece8358",
  "private": false,
  "record": {
    "abstract": "Two-nucleon momentum distributions are calculated for the ground states of\nnuclei with mass number $A\\leq 8$, using variational Monte Carlo wave functions\nderived from a realistic Hamiltonian with two- and three-nucleon potentials.\nThe momentum distribution of $np$ pairs is found to be much larger than that of\n$pp$ pairs for values of the relative momentum in the range (300--600) MeV/c\nand vanishing total momentum. This order of magnitude difference is seen in all\nnuclei considered and has a universal character originating from the tensor\ncomponents present in any realistic nucleon-nucleon potential. The correlations\ninduced by the tensor force strongly influence the structure of $np$ pairs,\nwhich are predominantly in deuteron-like states, while they are ineffective for\n$pp$ pairs, which are mostly in $^1$S$_0$ states. These features should be\neasily observable in two-nucleon knock-out processes, such as $A(e,e^\\prime\nnp)$ and $A(e,e^\\prime pp)$.",
    "arxiv_id": "nucl-th/0611037",
    "authors": [
      "R. Schiavilla",
      "R. B. Wiringa",
      "Steven C. Pieper",
      "J. Carlson"
    ],
    "categories": [
      "nucl-th"
    ],
    "doi": "10.1103/PhysRevLett.98.132501",
    "journal_ref": "Phys.Rev.Lett.98:132501,2007",
    "title": "Tensor Forces and the Ground-State Structure of Nuclei",
    "url": "https://arxiv.org/abs/nucl-th/0611037"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "32dcaf1c-737c-49f3-8f7c-b02264589e6c",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}