Multiple superdeformed bands in sup 153 Dy

Multiple superdeformed rotational bands have been identified in a nucleus for the first time. Cascades of 14, 13, and 11 transitions have been assigned to three bands in {sup 153}Dy. Despite the small intensities, it has been possible to follow the decay of these bands from an angular frequency of 0...

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Veröffentlicht in:	Physical review letters 1989-11, Vol.63:20
Hauptverfasser:	Johansson, J.K., Andrews, H.R., Bengtsson, T., Djaafri, A., Drake, T.E., Flibotte, S., Galindo-Uribarri, A., Horn, D., Janzen, V.P., Kuehner, J.A., Monaro, S., Nadon, N., Pilotte, S., Prevost, D., Radford, D.C., Ragnarsson, I., Taras, P., Tehami, A., Waddington, J.C., Ward, D., Aberg, S.
Format:	Artikel
Sprache:	eng
Schlagworte:	653001 - Nuclear Theory- Nuclear Structure, Moments, Spin, & Models ACCELERATORS ALPHA DECAY RADIOISOTOPES BETA DECAY RADIOISOTOPES CHALK RIVER CYCLOTRON CHARGED-PARTICLE REACTIONS COINCIDENCE METHODS COMPOUND-NUCLEUS REACTIONS COUNTING TECHNIQUES CYCLIC ACCELERATORS CYCLOTRONS DATA DEFORMED NUCLEI DYSPROSIUM 153 DYSPROSIUM ISOTOPES ELECTRON CAPTURE RADIOISOTOPES ELECTROSTATIC ACCELERATORS ENERGY LEVELS ENERGY RANGE ENERGY-LEVEL TRANSITIONS EVEN-EVEN NUCLEI EVEN-ODD NUCLEI EXCITED STATES EXPERIMENTAL DATA GADOLINIUM 150 GADOLINIUM ISOTOPES GAMMA SPECTRA GE SEMICONDUCTOR DETECTORS HEAVY ION ACCELERATORS HEAVY ION REACTIONS HOURS LIVING RADIOISOTOPES INFORMATION INTERMEDIATE MASS NUCLEI ISOCHRONOUS CYCLOTRONS ISOTOPES KEV RANGE KEV RANGE 100-1000 MEASURING INSTRUMENTS MEV RANGE MEV RANGE 01-10 MOMENT OF INERTIA NUCLEAR CASCADES NUCLEAR PHYSICS AND RADIATION PHYSICS NUCLEAR REACTIONS NUCLEI NUMERICAL DATA ODD-EVEN NUCLEI RADIATION DETECTORS RADIOISOTOPES RARE EARTH ISOTOPES RARE EARTH NUCLEI ROTATIONAL STATES SEMICONDUCTOR DETECTORS SPECTRA SULFUR 34 REACTIONS SUPERCONDUCTING CYCLOTRONS TARGETS TERBIUM 151 TERBIUM ISOTOPES TIN 124 TARGET VAN DE GRAAFF ACCELERATORS YEARS LIVING RADIOISOTOPES
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Zusammenfassung:	Multiple superdeformed rotational bands have been identified in a nucleus for the first time. Cascades of 14, 13, and 11 transitions have been assigned to three bands in {sup 153}Dy. Despite the small intensities, it has been possible to follow the decay of these bands from an angular frequency of 0.7 down to 0.4 MeV/{h bar}. In all three cases, the dynamic moment of inertia {ital I}{sup (2)} is nearly constant. Assignments to high-{ital N} intruder orbitals are suggested through comparison of these values of {ital I}{sup (2)} with theoretical calculations based on the cranked shell model.
ISSN:	0031-9007 1079-7114
DOI:	10.1103/PhysRevLett.63.2200