dorsal/arxiv
View SchemaSpin-Polarizabilities of the Nucleon in Chiral Soliton Model with Dispersion Relation
| Authors | Y. Tanushi, S. Saito, M. Uehara |
|---|---|
| Categories | |
| ArXiv ID | nucl-th/9901010 |
| URL | https://arxiv.org/abs/nucl-th/9901010 |
| DOI | 10.1103/PhysRevC.60.065213 |
Abstract
We calculate the spin-polarizabilities of the nucleon by means of dispersion relation, where the pion photoproduction amplitude predicted by chiral soliton model is utilized. We consider the $N\pi$ and $\Delta\pi$ channels in the pion-photoproduction amplitude, and also evaluate the contribution of the anomalous term of the $\pi^0\gamma\gamma$ process. In a narrow decay-width limit of the $\Delta$ particle the result coincides with that in heavy baryon chiral perturbation theory (HBChPT) except for the interference part of the electric and magnetic amplitudes. A comparison with the multipole analysis is given.
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"abstract": "We calculate the spin-polarizabilities of the nucleon by means of dispersion\nrelation, where the pion photoproduction amplitude predicted by chiral soliton\nmodel is utilized. We consider the $N\\pi$ and $\\Delta\\pi$ channels in the\npion-photoproduction amplitude, and also evaluate the contribution of the\nanomalous term of the $\\pi^0\\gamma\\gamma$ process. In a narrow decay-width\nlimit of the $\\Delta$ particle the result coincides with that in heavy baryon\nchiral perturbation theory (HBChPT) except for the interference part of the\nelectric and magnetic amplitudes. A comparison with the multipole analysis is\ngiven.",
"arxiv_id": "nucl-th/9901010",
"authors": [
"Y. Tanushi",
"S. Saito",
"M. Uehara"
],
"categories": [
"nucl-th",
"hep-ph"
],
"doi": "10.1103/PhysRevC.60.065213",
"title": "Spin-Polarizabilities of the Nucleon in Chiral Soliton Model with Dispersion Relation",
"url": "https://arxiv.org/abs/nucl-th/9901010"
},
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