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Author Tveter, T. S. ♦ Bergholt, L. ♦ Guttormsen, M. ♦ Melby, E. ♦ Rekstad, J.
Source United States Department of Energy Office of Scientific and Technical Information
Content type Text
Language English
Subject Keyword PHYSICS ♦ ENERGY-LEVEL DENSITY ♦ FINE STRUCTURE ♦ GAMMA RADIATION ♦ STRENGTH FUNCTIONS ♦ DYSPROSIUM 163 TARGET ♦ HELIUM 3 REACTIONS ♦ YTTERBIUM 173 TARGET ♦ GAMMA SPECTRA ♦ DYSPROSIUM 162 ♦ YTTERBIUM 172 TARGET
Abstract An iterative procedure for simultaneous extraction of fine structure in the level density and the {gamma}-ray strength function from a set of primary {gamma}-ray spectra has been developed. Data from the reactions {sup 163}Dy({sup 3}He,{alpha}{gamma}){sup 162}Dy and {sup 173}Yb({sup 3}He,{alpha}{gamma}){sup 172}Yb reveal steplike enhancements in the level density in the region below 5 MeV and peaks in the {gamma}-ray strength function at low {gamma} energy ({ital E}{sub {gamma}}{approx_equal}2{endash}3.5 MeV). Tentative physical interpretations are presented. {copyright} {ital 1996 The American Physical Society.}
ISSN 00319007
Educational Use Research
Learning Resource Type Article
Publisher Date 1996-09-01
Publisher Place United States
Journal Physical Review Letters
Volume Number 77
Issue Number 12


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