dorsal/arxiv
View SchemaCollective-coupling analysis of spectra of mass-7 isobars: ^7He, ^7Li, ^7Be, ^7B
| Authors | L. Canton, G. Pisent, K. Amos, S. Karataglidis, J. P. Svenne, D. van der Knijff |
|---|---|
| Categories | |
| ArXiv ID | nucl-th/0604072 |
| URL | https://arxiv.org/abs/nucl-th/0604072 |
| DOI | 10.1103/PhysRevC.74.064605 |
| Journal | Phys.Rev. C74 (2006) 064605 |
Abstract
A nucleon-nucleus interaction model has been applied to ascertain the underlying character of the negative-parity spectra of four isobars of mass seven, from neutron-- to proton--emitter driplines. With one single nuclear potential defined by a simple coupled-channel model, a multichannel algebraic scattering approach (MCAS) has been used to determine the bound and resonant spectra of the four nuclides, of which ^7He and ^7B are particle unstable. Incorporation of Pauli blocking in the model enables a description of all known spin-parity states of the mass-7 isobars. We have also obtained spectra of similar quality by using a large space no-core shell model. Additionally, we have studied ^7Li and ^7Be using a dicluster model. We have found a dicluster-model potential that can reproduce the lowest four states of the two nuclei, as well as the relevant low-energy elastic scattering cross sections. But, with this model, the rest of the energy spectra cannot be obtained.
{
"annotation_id": "478caf99-9bfd-4383-a86d-79ba6546adf3",
"date_created": "2026-03-02T18:00:07.893000Z",
"date_modified": "2026-03-02T18:00:07.893000Z",
"file_hash": "82d87d1f06c40a4fb0ff32e3d87e7c39606b37250cb9a3e0721c3f1f6fa80829",
"private": false,
"record": {
"abstract": "A nucleon-nucleus interaction model has been applied to ascertain the\nunderlying character of the negative-parity spectra of four isobars of mass\nseven, from neutron-- to proton--emitter driplines. With one single nuclear\npotential defined by a simple coupled-channel model, a multichannel algebraic\nscattering approach (MCAS) has been used to determine the bound and resonant\nspectra of the four nuclides, of which ^7He and ^7B are particle unstable.\nIncorporation of Pauli blocking in the model enables a description of all known\nspin-parity states of the mass-7 isobars. We have also obtained spectra of\nsimilar quality by using a large space no-core shell model. Additionally, we\nhave studied ^7Li and ^7Be using a dicluster model. We have found a\ndicluster-model potential that can reproduce the lowest four states of the two\nnuclei, as well as the relevant low-energy elastic scattering cross sections.\nBut, with this model, the rest of the energy spectra cannot be obtained.",
"arxiv_id": "nucl-th/0604072",
"authors": [
"L. Canton",
"G. Pisent",
"K. Amos",
"S. Karataglidis",
"J. P. Svenne",
"D. van der Knijff"
],
"categories": [
"nucl-th"
],
"doi": "10.1103/PhysRevC.74.064605",
"journal_ref": "Phys.Rev. C74 (2006) 064605",
"title": "Collective-coupling analysis of spectra of mass-7 isobars: ^7He, ^7Li, ^7Be, ^7B",
"url": "https://arxiv.org/abs/nucl-th/0604072"
},
"schema_id": "dorsal/arxiv",
"source": {
"execution_id": "f714ac82-90f1-4e92-903c-e81c4f905217",
"id": "arXiv Dataset IDs",
"type": "Model",
"variant": "snapshot-2026-03-01",
"version": "0.1.0"
},
"user_id": 1000002
}