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AbstractAbstract
[en] A method is developed to determine average lifetimes of continuum gamma rays following heavy-ion compound-nucleus reactions. The resulting enhancement factors for E2 transitions depopulating states in the spin- (30--50) regions are of the same order of magnitude as for ground-state rotational bands of deformed nuclei. This shows for the first time that these high-spin states decay through strongly collective bands
Primary Subject
Record Type
Journal Article
Journal
Physical Review Letters; v. 41(12); p. 791-794
Country of publication
ALUMINIUM 27 TARGET, ANGULAR DISTRIBUTION, COLLECTIVE MODEL, COMPOUND NUCLEI, COMPOUND-NUCLEUS REACTIONS, DE-EXCITATION, DOPPLER EFFECT, E2-TRANSITIONS, ENERGY SPECTRA, ERBIUM 164, GAMMA SPECTRA, HIGH SPIN STATES, HOLMIUM 163, LIFETIME, MOMENT OF INERTIA, MULTIPLICITY, SILICON 28 TARGET, XENON 136 REACTIONS, YRAST STATES
BETA DECAY RADIOISOTOPES, DISTRIBUTION, ELECTRON CAPTURE RADIOISOTOPES, ENERGY LEVELS, ENERGY-LEVEL TRANSITIONS, ERBIUM ISOTOPES, EVEN-EVEN NUCLEI, HEAVY ION REACTIONS, HOLMIUM ISOTOPES, INTERMEDIATE MASS NUCLEI, ISOMERIC TRANSITION ISOTOPES, ISOTOPES, MATHEMATICAL MODELS, MULTIPOLE TRANSITIONS, NUCLEAR MODELS, NUCLEAR REACTIONS, NUCLEI, ODD-EVEN NUCLEI, RADIOISOTOPES, RARE EARTH NUCLEI, SECONDS LIVING RADIOISOTOPES, SPECTRA, STABLE ISOTOPES, TARGETS, YEARS LIVING RADIOISOTOPES
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