dorsal/arxiv
View SchemaThe nucleon-nucleon interaction and properties of the nucleon in a $\pi\rho\omega$ soliton model including a dilaton field with anomalous dimension
| Authors | Ulf-G. Meissner, A. Rakhimov, U. Yakhshiev |
|---|---|
| Categories | |
| ArXiv ID | nucl-th/9901067 |
| URL | https://arxiv.org/abs/nucl-th/9901067 |
| DOI | 10.1016/S0370-2693(99)01495-1 |
| Journal | Phys.Lett. B473 (2000) 200-208 |
Abstract
We investigate an extended chiral soliton model which includes $\pi, \rho, \omega$ and $\sigma $ mesons as explicit degrees of freedom. The Lagrangian incorporates chiral symmetry and broken scale invariance. A scalar-isoscalar meson $\sigma$ is associated with a quarkonium dilaton field with a mass $\msig\approx 550 $MeV. We show that the scalar field with anomalous dimension slightly changes the static and electromagnetic properties of the nucleon. In contrast, it plays a significant role in nucleon-nucleon dynamics and gives an opportunity to describe well the two-nucleon interaction.
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"abstract": "We investigate an extended chiral soliton model which includes $\\pi, \\rho,\n\\omega$ and $\\sigma $ mesons as explicit degrees of freedom. The Lagrangian\nincorporates chiral symmetry and broken scale invariance. A scalar-isoscalar\nmeson $\\sigma$ is associated with a quarkonium dilaton field with a mass\n$\\msig\\approx 550 $MeV. We show that the scalar field with anomalous dimension\nslightly changes the static and electromagnetic properties of the nucleon. In\ncontrast, it plays a significant role in nucleon-nucleon dynamics and gives an\nopportunity to describe well the two-nucleon interaction.",
"arxiv_id": "nucl-th/9901067",
"authors": [
"Ulf-G. Meissner",
"A. Rakhimov",
"U. Yakhshiev"
],
"categories": [
"nucl-th",
"hep-ph"
],
"doi": "10.1016/S0370-2693(99)01495-1",
"journal_ref": "Phys.Lett. B473 (2000) 200-208",
"title": "The nucleon-nucleon interaction and properties of the nucleon in a $\\pi\\rho\\omega$ soliton model including a dilaton field with anomalous dimension",
"url": "https://arxiv.org/abs/nucl-th/9901067"
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