The role of the N*(1535) resonance and the pi^- p --> KY amplitudes in the OZI forbidden pi N --> phi N reaction
| dc.creator | Döring, M. | |
| dc.creator | Oset, E. | |
| dc.creator | Zou, B. S. | |
| dc.date | 2008-05-13 | |
| dc.date | 2008-07-11 | |
| dc.date.accessioned | 2026-07-07T11:50:44Z | |
| dc.date.available | 2026-07-07T11:50:44Z | |
| dc.description | We study the pi N --> phi N reaction close to the phi N threshold within the chiral unitary approach, by combining the pi^- p --> K^+ Sigma^-, pi^- p --> K^0 Sigma^0 and pi^- p --> K^0 Lambda amplitudes with the coupling of the phi to the K components of the final states of these reactions via quantum loops. We obtain a good agreement with experiment when the dominant pi^- p --> K^0 Lambda amplitude is constrained with its experimental cross section. We also evaluate the coupling of the N*(1535) to phi N and find a moderate coupling as a consequence of partial cancellation of the large KY components of the N*(1535). We also show that the N*(1535) pole approximation is too small to reproduce the measured cross section for the pi N --> phi N reaction. | |
| dc.description | 10 pages, 6 figures | |
| dc.identifier | https://arxiv.org/abs/0805.1799 | |
| dc.identifier | http://arxiv.org/abs/0805.1799 | |
| dc.identifier | Phys.Rev.C78:025207,2008 | |
| dc.identifier | doi:10.1103/PhysRevC.78.025207 | |
| dc.identifier.uri | http://salesiana.dossiersoluciones.com/handle/123456789/203660 | |
| dc.subject | Nuclear Theory | |
| dc.title | The role of the N*(1535) resonance and the pi^- p --> KY amplitudes in the OZI forbidden pi N --> phi N reaction | |
| dc.type | text |