{
  "annotation_id": "f384b5d9-44c4-40f3-9df6-7b2b8887b191",
  "date_created": "2026-03-02T18:00:11.734000Z",
  "date_modified": "2026-03-02T18:00:11.734000Z",
  "file_hash": "e059558f0f3e300356aa30a4f53303042ab0eca3ac4ec5ab79d83613aa24a7c8",
  "private": false,
  "record": {
    "abstract": "The negative parity states of $^{11}$B and $^{11}$C were studied based on the\ncalculations of antisymmetrized molecular dynamics(AMD). The calculations well\nreproduced the experimental strengths of Gamov-Teller(GT), $M1$ and monopole\ntransitions. We, especially, focused on the $3/2^-_3$ and $5/2^-_2$ states, for\nwhich GT transition strengths were recently measured. The weak $M1$ and GT\ntransitions for the $3/2^-_3$ in $^{11}$B and $^{11}$C are described by a\nwell-developed cluster structure of $2\\alpha$+$t$ and $2\\alpha$+$^3$He,\nrespectively, while the strong transitions for the $5/2^-_2$ is characterized\nby an intrinsic spin excitation with no cluster structure. It was found that\nthe $3/2^-_3$ state is a dilute cluster state, and its features are similar to\nthose of the $^{12}$C$(0^+_2)$ which is considered to be a gas state of three\n$\\alpha$ clusters.",
    "arxiv_id": "nucl-th/0612109",
    "authors": [
      "Yoshiko Kanada-En\u0027yo"
    ],
    "categories": [
      "nucl-th"
    ],
    "doi": "10.1103/PhysRevC.75.024302",
    "journal_ref": "Phys.Rev.C75:024302,2007",
    "title": "Negative parity states of $^{11}$B and $^{11}$C and the similarity with   $^{12}C",
    "url": "https://arxiv.org/abs/nucl-th/0612109"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "6ce0b4e7-7ff8-4bd3-8ebe-860e902fdf80",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}