dorsal/arxiv
View SchemaResonance Model for $\pi$N Scattering and $\eta$-Meson Production in the s$_{11}$ Channel
| Authors | Ch. Sauermann, B. L. Friman, W. Nörenberg |
|---|---|
| Categories | |
| ArXiv ID | nucl-th/9408012 |
| URL | https://arxiv.org/abs/nucl-th/9408012 |
| DOI | 10.1016/0370-2693(94)01372-J |
| Journal | Phys.Lett.B341:261-267,1995 |
Abstract
A model for $\pi$N scattering and $\eta$-meson production in the S$_{11}$ channel is presented. The model includes $\pi$N-scattering Born terms as well as the N$^*${} resonances S$_{11}$(1535) and S$_{11}$(1610). The $T$-matrix is computed in the $K$-matrix approximation. The parameters of the model are determined by fitting the elastic $\pi$N-scattering $T$-matrix to empirical data. We find an excellent fit for all energies up to $\sqrt{s}$ = 1.75 GeV. Furthermore, a good description of the cross section for $\pi^- + p \rightarrow \eta + n$ is obtained without further adjustment of parameters.
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"abstract": "A model for $\\pi$N scattering and $\\eta$-meson production in the S$_{11}$\nchannel is presented. The model includes $\\pi$N-scattering Born terms as well\nas the N$^*${} resonances S$_{11}$(1535) and S$_{11}$(1610). The $T$-matrix is\ncomputed in the $K$-matrix approximation. The parameters of the model are\ndetermined by fitting the elastic $\\pi$N-scattering $T$-matrix to empirical\ndata. We find an excellent fit for all energies up to $\\sqrt{s}$ = 1.75 GeV.\nFurthermore, a good description of the cross section for $\\pi^- + p \\rightarrow\n\\eta + n$ is obtained without further adjustment of parameters.",
"arxiv_id": "nucl-th/9408012",
"authors": [
"Ch. Sauermann",
"B. L. Friman",
"W. N\u00f6renberg"
],
"categories": [
"nucl-th",
"hep-ph"
],
"doi": "10.1016/0370-2693(94)01372-J",
"journal_ref": "Phys.Lett.B341:261-267,1995",
"title": "Resonance Model for $\\pi$N Scattering and $\\eta$-Meson Production in the s$_{11}$ Channel",
"url": "https://arxiv.org/abs/nucl-th/9408012"
},
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