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Structure in the E2 quasicontinuum spectrum of /sup 154/Dy

Journal Article · · Phys. Rev. Lett.; (United States)
; ; ; ; ; ; ; ; ; ;
The evolution of the ..gamma.. quasicontinuum spectrum with neutron number has been investigated in the sequence of isotopes /sup 152,154,156/Dy. The three nuclei display a pronounced collective E2 component. In /sup 154/Dy this component shows a splitting into two distinct parts, signifying a structural change along the ..gamma.. cascade above the yrast line. The E2 and statistical components are reproduced in simple ..gamma..-cascade calculations; in /sup 152/Dy and /sup 156/Dy only rotational bands are included, whereas in /sup 154/Dy additional vibrationlike transitions are required to reproduce the two E2 peaks.
Research Organization:
Argonne National Laboratory, Argonne, Illinois 60439
OSTI ID:
6530543
Journal Information:
Phys. Rev. Lett.; (United States), Journal Name: Phys. Rev. Lett.; (United States) Vol. 62:5; ISSN PRLTA
Country of Publication:
United States
Language:
English

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Related Subjects

651820* -- Nuclear Properties & Reactions
A=150-189
Experimental
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
ALPHA DECAY RADIOISOTOPES
BARYONS
BETA DECAY RADIOISOTOPES
BETA-PLUS DECAY RADIOISOTOPES
CHARGED-PARTICLE REACTIONS
DATA
DYSPROSIUM 152
DYSPROSIUM 154
DYSPROSIUM 156
DYSPROSIUM ISOTOPES
E2-TRANSITIONS
ELEMENTARY PARTICLES
ENERGY LEVELS
ENERGY RANGE
ENERGY-LEVEL TRANSITIONS
EVEN-EVEN NUCLEI
EXPERIMENTAL DATA
FERMIONS
GAMMA SPECTRA
HADRONS
HEAVY ION FUSION REACTIONS
HEAVY ION REACTIONS
HIGH SPIN STATES
INFORMATION
INTERMEDIATE MASS NUCLEI
ISOTOPES
MEV RANGE
MEV RANGE 100-1000
MULTIPOLE TRANSITIONS
NEUTRONS
NUCLEAR REACTIONS
NUCLEI
NUCLEONS
NUMERICAL DATA
RADIOISOTOPES
RARE EARTH ISOTOPES
RARE EARTH NUCLEI
SPECTRA
STABLE ISOTOPES
SULFUR 36 REACTIONS
TARGETS
TIN 122 TARGET
TIN 124 TARGET
YRAST STATES