dorsal/arxiv
View SchemaNucleon electromagnetic form factors and polarization observables in space-like and time-like regions
| Authors | Egle Tomasi-Gustafsson, F. Lacroix, C. Duterte, G. I. Gakh |
|---|---|
| Categories | |
| ArXiv ID | nucl-th/0503001 |
| URL | https://arxiv.org/abs/nucl-th/0503001 |
| DOI | 10.1140/epja/i2005-10030-6 |
| Journal | Eur.Phys.J.A24:419-430,2005 |
Abstract
We perform a global analysis of the experimental data of the electromagnetic nucleon form factors, in space-like and time-like regions. We give the expressions of the observables in annihilation processes, such as $p+\bar{p}\to \ell^+ +\ell^- $, $\ell=e$ or $\mu$, in terms of form factors. We discuss some of the phenomenological models proposed in the literature for the space-like region, and consider their analytical continuation to the time-like region. After determining the parameters through a fit on the available data, we give predictions for the observables which will be experimentally accessible with large statistics, polarized annihilation reactions.
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"abstract": "We perform a global analysis of the experimental data of the electromagnetic\nnucleon form factors, in space-like and time-like regions. We give the\nexpressions of the observables in annihilation processes, such as $p+\\bar{p}\\to\n\\ell^+ +\\ell^- $, $\\ell=e$ or $\\mu$, in terms of form factors. We discuss some\nof the phenomenological models proposed in the literature for the space-like\nregion, and consider their analytical continuation to the time-like region.\nAfter determining the parameters through a fit on the available data, we give\npredictions for the observables which will be experimentally accessible with\nlarge statistics, polarized annihilation reactions.",
"arxiv_id": "nucl-th/0503001",
"authors": [
"Egle Tomasi-Gustafsson",
"F. Lacroix",
"C. Duterte",
"G. I. Gakh"
],
"categories": [
"nucl-th"
],
"doi": "10.1140/epja/i2005-10030-6",
"journal_ref": "Eur.Phys.J.A24:419-430,2005",
"title": "Nucleon electromagnetic form factors and polarization observables in space-like and time-like regions",
"url": "https://arxiv.org/abs/nucl-th/0503001"
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