The spectral function of the omega meson in nuclear matter from a coupled-channel resonance model
| dc.creator | Muehlich, P. | |
| dc.creator | Shklyar, V. | |
| dc.creator | Leupold, S. | |
| dc.creator | Mosel, U. | |
| dc.creator | Post, M. | |
| dc.date | 2006-07-27 | |
| dc.date | 2006-10-25 | |
| dc.date.accessioned | 2026-07-07T11:07:33Z | |
| dc.date.available | 2026-07-07T11:07:33Z | |
| dc.description | We calculate the spectral function of the omega meson in nuclear matter at zero temperature by means of the low-density theorem. The omega N forward scattering amplitude is calculated within a unitary coupled-channel effective Lagrangian model that has been applied successfully to the combined analysis of pion- and photon-induced reactions. While the peak of the omega spectral distribution is shifted only slightly, we find a considerable broadening of the omega meson due to resonance-hole excitations. For omega mesons at rest with respect to the surrounding nuclear medium, we find an additional width of about 60 MeV at saturation density. | |
| dc.description | 26 pages, 10 figures, added short discussion | |
| dc.identifier | https://arxiv.org/abs/nucl-th/0607061 | |
| dc.identifier | http://arxiv.org/abs/nucl-th/0607061 | |
| dc.identifier | Nucl.Phys.A780:187-205,2006 | |
| dc.identifier | doi:10.1016/j.nuclphysa.2006.10.037 | |
| dc.identifier.uri | http://salesiana.dossiersoluciones.com/handle/123456789/189879 | |
| dc.subject | Nuclear Theory | |
| dc.title | The spectral function of the omega meson in nuclear matter from a coupled-channel resonance model | |
| dc.type | text |