dorsal/arxiv
View SchemaMultiphonon and ``hot''-phonon Isovector Electric-Dipole Excitations
| Authors | B. V. Carlson, L. F. Canto, S. Cruz-Barrios, M. S. Hussein, A. F. R. de Toledo Piza |
|---|---|
| Categories | |
| ArXiv ID | nucl-th/9808039 |
| URL | https://arxiv.org/abs/nucl-th/9808039 |
| DOI | 10.1006/aphy.1999.5925 |
| Journal | Annals Phys. 276 (1999) 111-119 |
Abstract
We argue that a substantial increase in the cross section for Coulomb excitation in the region of the Double Giant Dipole Resonance should be expected from Coulomb excitation of excited states involved in the spreading of the one-phonon resonance, in a manifestation of the Brink-Axel phenomenon. This generates an additional fluctuating amplitude and a corresponding new term to be added incoherently to the usual cross-section. The appropriate extension of an applicable reaction calculation is considered in order to estimate this effect.
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"abstract": "We argue that a substantial increase in the cross section for Coulomb\nexcitation in the region of the Double Giant Dipole Resonance should be\nexpected from Coulomb excitation of excited states involved in the spreading of\nthe one-phonon resonance, in a manifestation of the Brink-Axel phenomenon. This\ngenerates an additional fluctuating amplitude and a corresponding new term to\nbe added incoherently to the usual cross-section. The appropriate extension of\nan applicable reaction calculation is considered in order to estimate this\neffect.",
"arxiv_id": "nucl-th/9808039",
"authors": [
"B. V. Carlson",
"L. F. Canto",
"S. Cruz-Barrios",
"M. S. Hussein",
"A. F. R. de Toledo Piza"
],
"categories": [
"nucl-th"
],
"doi": "10.1006/aphy.1999.5925",
"journal_ref": "Annals Phys. 276 (1999) 111-119",
"title": "Multiphonon and ``hot\u0027\u0027-phonon Isovector Electric-Dipole Excitations",
"url": "https://arxiv.org/abs/nucl-th/9808039"
},
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