dorsal/arxiv
View SchemaA meson-exchange piN model up to energies sqrt(s) < 2.0 GeV
| Authors | Shin Nan Yang, Guan Yeu Chen, S. S. Kamalov |
|---|---|
| Categories | |
| ArXiv ID | nucl-th/0610076 |
| URL | https://arxiv.org/abs/nucl-th/0610076 |
| DOI | 10.1016/j.nuclphysa.2007.03.151 |
| Journal | Nucl.Phys.A790:229-234,2007 |
Abstract
A meson-exchange piN model, previously constructed using three-dimensional reduction scheme of the Bethe-Salpeter equation for a model Lagrangian involving \pi, \eta, N, \Delta, rho, and \sigma fields, is extended to energies up to 2 GeV by including the \eta N channel and all the four stars \pi N resonances up to the F-waves. The effects of other 2 pion channels are taken into account phenomenologically. The extended model gives an excellent fit to both piN phase shifts and inelasticity parameters in all channels up to the F-waves. However, a few of the extracted resonance parameters differ considerably from the PDG values.
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"abstract": "A meson-exchange piN model, previously constructed using three-dimensional\nreduction scheme of the Bethe-Salpeter equation for a model Lagrangian\ninvolving \\pi, \\eta, N, \\Delta, rho, and \\sigma fields, is extended to energies\nup to 2 GeV by including the \\eta N channel and all the four stars \\pi N\nresonances up to the F-waves. The effects of other 2 pion channels are taken\ninto account phenomenologically. The extended model gives an excellent fit to\nboth piN phase shifts and inelasticity parameters in all channels up to the\nF-waves. However, a few of the extracted resonance parameters differ\nconsiderably from the PDG values.",
"arxiv_id": "nucl-th/0610076",
"authors": [
"Shin Nan Yang",
"Guan Yeu Chen",
"S. S. Kamalov"
],
"categories": [
"nucl-th"
],
"doi": "10.1016/j.nuclphysa.2007.03.151",
"journal_ref": "Nucl.Phys.A790:229-234,2007",
"title": "A meson-exchange piN model up to energies sqrt(s) \u003c 2.0 GeV",
"url": "https://arxiv.org/abs/nucl-th/0610076"
},
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