dorsal/arxiv
View SchemaStrangeness s = -3 dibaryons in a chiral quark model
| Authors | Dai Lian-Rong, Zhang Dan, Li Chun-Ran, Tong Lei |
|---|---|
| Categories | |
| ArXiv ID | nucl-th/0606056 |
| URL | https://arxiv.org/abs/nucl-th/0606056 |
Abstract
The structures of $N\Omega_{(2,1/2)}$ and $\Delta\Omega_{(3,3/2)}$ with strangeness $s=-3$ are dynamically studied in both the chiral SU(3) quark model and the extended chiral SU(3) quark model by solving a resonating group method (RGM) equation. The first model parameters are taken from our previous work, which gave a satisfactory description of the energies of the baryon ground states, the binding energy of the deuteron, the nucleon-nucleon(NN) scattering phase shifts, and the hyperon-nucleon (YN) cross sections. The effect from the vector meson fields is very similar to that from the one-gluon exchange interaction, both in the chiral SU(3) quark model and the extended chiral SU(3) quark model, the $N\Omega_{(2,1/2)}$ and $\Delta\Omega_{(3,3/2)}$ systems are wealy bound states. The second model parameters are also taken from our previous work by fitting the KN scattering process. when the mixing of scalar mesons are considered, the $N\Omega_{(2,1/2)}$ and $\Delta\Omega_{(3,3/2)}$ systems change into unbound state.
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"date_created": "2026-03-02T18:00:08.531000Z",
"date_modified": "2026-03-02T18:00:08.531000Z",
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"abstract": "The structures of $N\\Omega_{(2,1/2)}$ and $\\Delta\\Omega_{(3,3/2)}$ with\nstrangeness $s=-3$ are dynamically studied in both the chiral SU(3) quark model\nand the extended chiral SU(3) quark model by solving a resonating group method\n(RGM) equation. The first model parameters are taken from our previous work,\nwhich gave a satisfactory description of the energies of the baryon ground\nstates, the binding energy of the deuteron, the nucleon-nucleon(NN) scattering\nphase shifts, and the hyperon-nucleon (YN) cross sections. The effect from the\nvector meson fields is very similar to that from the one-gluon exchange\ninteraction, both in the chiral SU(3) quark model and the extended chiral SU(3)\nquark model, the $N\\Omega_{(2,1/2)}$ and $\\Delta\\Omega_{(3,3/2)}$ systems are\nwealy bound states. The second model parameters are also taken from our\nprevious work by fitting the KN scattering process. when the mixing of scalar\nmesons are considered, the $N\\Omega_{(2,1/2)}$ and $\\Delta\\Omega_{(3,3/2)}$\nsystems change into unbound state.",
"arxiv_id": "nucl-th/0606056",
"authors": [
"Dai Lian-Rong",
"Zhang Dan",
"Li Chun-Ran",
"Tong Lei"
],
"categories": [
"nucl-th"
],
"title": "Strangeness s = -3 dibaryons in a chiral quark model",
"url": "https://arxiv.org/abs/nucl-th/0606056"
},
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