dorsal/arxiv
View SchemaCompton Scattering by Nuclei
| Authors | M. -Th. Huett, A. I. L'vov, A. I. Milstein, M. Schumacher |
|---|---|
| Categories | |
| ArXiv ID | nucl-th/9905026 |
| URL | https://arxiv.org/abs/nucl-th/9905026 |
| DOI | 10.1016/S0370-1573(99)00041-1 |
| Journal | Phys.Rept.323:457-594,2000; Phys.Rept.323:595,2000 |
Abstract
The concept of Compton scattering by even-even nuclei from giant-resonance to nucleon-resonance energies and the status of experimental and theoretical researches in this field are outlined. Nuclear Compton scattering in the giant-resonance energy-region provides information on the dynamical properties of the in-medium mass of the nucleon. The electromagnetic polarizabilities of the nucleon in the nuclear medium can be extracted from nuclear Compton scattering data obtained in the quasi-deuteron energy-region. Recent results are presented for two-body effects due to the mesonic seagull amplitude and due to the excitation of nucleon internal degrees of freedom accompanied by meson exchanges. Due to these studies the in-medium electromagnetic polarizabilities are by now well understood, whereas the understanding of nuclear Compton scattering in the Delta-resonance range is only at the beginning. Phenomenological methods how to include retardation effects in the scattering amplitude are discussed and compared with model predictions.
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"abstract": "The concept of Compton scattering by even-even nuclei from giant-resonance to\nnucleon-resonance energies and the status of experimental and theoretical\nresearches in this field are outlined. Nuclear Compton scattering in the\ngiant-resonance energy-region provides information on the dynamical properties\nof the in-medium mass of the nucleon. The electromagnetic polarizabilities of\nthe nucleon in the nuclear medium can be extracted from nuclear Compton\nscattering data obtained in the quasi-deuteron energy-region. Recent results\nare presented for two-body effects due to the mesonic seagull amplitude and due\nto the excitation of nucleon internal degrees of freedom accompanied by meson\nexchanges. Due to these studies the in-medium electromagnetic polarizabilities\nare by now well understood, whereas the understanding of nuclear Compton\nscattering in the Delta-resonance range is only at the beginning.\nPhenomenological methods how to include retardation effects in the scattering\namplitude are discussed and compared with model predictions.",
"arxiv_id": "nucl-th/9905026",
"authors": [
"M. -Th. Huett",
"A. I. L\u0027vov",
"A. I. Milstein",
"M. Schumacher"
],
"categories": [
"nucl-th"
],
"doi": "10.1016/S0370-1573(99)00041-1",
"journal_ref": "Phys.Rept.323:457-594,2000; Phys.Rept.323:595,2000",
"title": "Compton Scattering by Nuclei",
"url": "https://arxiv.org/abs/nucl-th/9905026"
},
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