| Автор | Q B Li |
| Автор | P N Shen |
| Дата выпуска | 2000-08-01 |
| dc.description | Within the framework of the resonating group method, the binding energy of one-channel ΔΔ<sub>(3,0)</sub>(d*) and ΔΔ<sub>(0,3)</sub> are studied in the chiral SU(3) quark cluster model. It is shown that the binding energies of the systems are a few tens of MeV. The behaviour of the chiral field is also investigated by comparing the results with those in the SU(2) and the extended SU(2) chiral quark models. It is found that the symmetry property of the ΔΔ system makes the contribution of the relative kinetic energy operator between two clusters attractive. This is very beneficial for forming the bound dibaryon. Meanwhile the chiral-quark field coupling also plays a very important role in binding. The S-wave phase shifts and the corresponding scattering lengths of the systems are also given. |
| Формат | application.pdf |
| Издатель | Institute of Physics Publishing |
| Название | Possible ΔΔ dibaryons in the quark cluster model |
| Тип | paper |
| DOI | 10.1088/0954-3899/26/8/308 |
| Electronic ISSN | 1361-6471 |
| Print ISSN | 0954-3899 |
| Журнал | Journal of Physics G: Nuclear and Particle Physics |
| Том | 26 |
| Первая страница | 1207 |
| Последняя страница | 1215 |
| Выпуск | 8 |
