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Author Ormand, W. E. ♦ Bortignon, P. F. ♦ Broglia, R. A.
Source United States Department of Energy Office of Scientific and Technical Information
Content type Text
Language English
Subject Keyword PHYSICS ♦ WIDTH ♦ TEMPERATURE DEPENDENCE ♦ GIANT RESONANCE ♦ TIN 120 ♦ LEAD 208 ♦ DIPOLES ♦ EXCITATION ♦ ENERGY ♦ ANGULAR MOMENTUM ♦ STRENGTH FUNCTIONS ♦ CORRECTIONS ♦ COMPOUND NUCLEI ♦ EVAPORATION
Abstract The giant-dipole resonance (GDR) in {sup 120}Sn and {sup 208}Pb is studied as a function of excitation energy, angular momentum, and intrinsic width. Theoretical evaluations of the full width at half maximum (FWHM) for the GDR strength function are compared with recent experimental data and are found to be in overall agreement. Differences observed between {sup 120}Sn and {sup 208}Pb are attributed to strong shell corrections in {sup 208}Pb favoring spherical shapes at low temperatures. At high temperature, the FWHM in {sup 120}Sn exhibits effects due to the evaporation width of the compound nucleus. {copyright} {ital 1996 The American Physical Society.}
ISSN 00319007
Educational Use Research
Learning Resource Type Article
Publisher Date 1996-07-01
Publisher Department Oak Ridge National Laboratory
Publisher Place United States
Journal Physical Review Letters
Volume Number 77
Issue Number 4
Organization Oak Ridge National Laboratory


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