Multiparticle excitations and identical bands in the superdeformed [sup 149]Gd nucleus

Journal Article · Mon Aug 02 04:00:00 EDT 1993 · Physical Review Letters; (United States)

DOI:https://doi.org/10.1103/PhysRevLett.71.688· OSTI ID:6243842

Flibotte, S; Hackman, G; Theisen, C; Andrews, H R; Ball, G C; Beausang, C W; Beck, F A; Belier, G; Bentley, M A; Byrski, T; Curien, D; de France, G; Disdier, D; Duchene, G; Fallon, P; Haas, B; Janzen, V P; Jones, P M; Kharraja, B; Kuehner, J A ; Lisle, J C; Merdinger, J C; Mullins, S M; Paul, E S; Prevost, D; Radford, D C; Rauch, V; Smith, J F; Styczen, J; Twin, P J; Vivien, J P; Waddington, J C; Ward, D; Zuber, K ^[1]

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1. Centre de Recherches Nucleaires; Institut National de Physique Nucleare et de Physique Particles-Centre National de la Recherche Scientifique/Universite Louis Pasteur; F-67037 Strasbourg CEDEX (France) Department of Physics and Astronomy; McMaster University; Hamilton; Ontario L8S 4K1 (Canada) AECL Research; Chalk River Laboratories; Chalk River; Ontario K0J 1J0 (Canada) Oliver Lodge Laboratory; University of Liverpool; Liverpool L69 3BX (United Kingdom) Science and Engineering Research Council; Daresbury Laboratory; Warrington WA4 4AD (Unit

Eight superdeformed rotational bands have been observed in the [sup 149]Gd nucleus. Several excited bands have partners in neighboring nuclei which differ by up to four nucleons, with nearly identical dynamic moments of inertia and quantized [gamma]-ray phasing. These observations cannot be easily explained by theoretical models including an intrinsic scaling with mass of the moment of inertia. A paired backbend and an interaction due to an accidental degeneracy between two superdeformed levels have also been observed.

• DOE Contract Number: AC03-76SF00098
• OSTI ID: 6243842
• Journal Information: Physical Review Letters; (United States), Journal Name: Physical Review Letters; (United States) Vol. 71:5; ISSN 0031-9007; ISSN PRLTAO
• Country of Publication: United States
• Language: English

Related Subjects

663110* -- General & Average Properties of Nuclei & Nuclear Energy Levels-- (1992-)
663220 -- Electromagnetic Transitions-- (1992-)
663560 -- Nuclear Mass Ranges-- A=90-149-- (1992-)
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
ALPHA DECAY RADIOISOTOPES
BARYONS
BETA DECAY RADIOISOTOPES
DAYS LIVING RADIOISOTOPES
DEFORMED NUCLEI
ELECTRON CAPTURE RADIOISOTOPES
ELEMENTARY PARTICLES
ENERGY LEVELS
ENERGY-LEVEL TRANSITIONS
EVEN-ODD NUCLEI
EXCITATION
EXCITED STATES
FERMIONS
GADOLINIUM 149
GADOLINIUM ISOTOPES
HADRONS
INTERACTIONS
INTERMEDIATE MASS NUCLEI
ISOTOPES
MEASURING INSTRUMENTS
MOMENT OF INERTIA
MULTIPARTICLE SPECTROMETERS
NUCLEI
NUCLEONS
RADIOISOTOPES
RARE EARTH ISOTOPES
RARE EARTH NUCLEI
ROTATIONAL STATES
SPECTROMETERS