dorsal/arxiv
View SchemaGeneralized polarizabilities and the spin-averaged amplitude in virtual Compton scattering off the nucleon
| Authors | D. Drechsel, G. Knoechlein, A. Metz, S. Scherer |
|---|---|
| Categories | |
| ArXiv ID | nucl-th/9608061 |
| URL | https://arxiv.org/abs/nucl-th/9608061 |
| DOI | 10.1103/PhysRevC.55.424 |
| Journal | Phys.Rev.C55:424-430,1997 |
Abstract
We discuss the low-energy behavior of the spin-averaged amplitude of virtual Compton scattering (VCS) off a nucleon. Based on gauge invariance, Lorentz invariance and the discrete symmetries, it is shown that to first order in the frequency of the final real photon only two generalized polarizabilities appear. Different low-energy expansion schemes are discussed and put into perspective.
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"abstract": "We discuss the low-energy behavior of the spin-averaged amplitude of virtual\nCompton scattering (VCS) off a nucleon.\n Based on gauge invariance, Lorentz invariance and the discrete symmetries, it\nis shown that to first order in the frequency of the final real photon only two\ngeneralized polarizabilities appear.\n Different low-energy expansion schemes are discussed and put into\nperspective.",
"arxiv_id": "nucl-th/9608061",
"authors": [
"D. Drechsel",
"G. Knoechlein",
"A. Metz",
"S. Scherer"
],
"categories": [
"nucl-th",
"hep-ph"
],
"doi": "10.1103/PhysRevC.55.424",
"journal_ref": "Phys.Rev.C55:424-430,1997",
"title": "Generalized polarizabilities and the spin-averaged amplitude in virtual Compton scattering off the nucleon",
"url": "https://arxiv.org/abs/nucl-th/9608061"
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