Properties of superdeformed bands in the A = 194 region

Conference · Sun Apr 01 04:00:00 EDT 1990

OSTI ID:6901256

Kuhnert, A; Yates, S W ^[1]; Brinkman, M J; Cizewski, J A ^[2]; Deleplanque, M A; Diamond, R M; Stephens, F S; Beausang, C W; Kelly, W H; Korten, W; Azaiez, F ^[3]; Draper, J E; Rubel, E ^[4]; Akovali, Y A ^[5]

---

1. Lawrence Livermore National Lab., CA (USA)
2. Rutgers--the State Univ., New Brunswick, NJ (USA)
3. Lawrence Berkeley Lab., CA (USA)
4. California Univ., Davis, CA (USA)
5. Oak Ridge Nati

At least eighteen superdeformed (SD) bands have been identified in mercury, thallium, and lead nuclei since the report of a SD band in {sup 191}Hg. Systematic information is beginning to emerge on the properties of the SD bands in this mass region, and comparisons with SD bands in the A = 150 region are now possible. Recently, data were obtained with the HERA spectrometer at the Lawrence Berkeley Laboratory 88'' Cyclotron on SD bands in {sup 194}Pb and {sup 196}Pb. In these experiments, we bombarded {sup 176}Yb with {sup 24}Mg and {sup 26}Mg. The cross bombardment was necessary to make the assignment of the band to {sup 196}Pb certain. These bands are typical of other SD bands in the region in many ways. The gamma rays have energies that range from about 200 to 800 keV. The gamma-ray spacing decreases from about 40 to 30 keV as the transition energy increases. Their intensities gradually increase as the gamma-ray energies decrease over the upper half of of the sequence, and then sustain a constant value until the one or two lowest energy transitions. 18 refs., 4 figs.

• Research Organization: Lawrence Livermore National Lab., CA (USA)
• Sponsoring Organization: DOE/DP; NSF
• DOE Contract Number: W-7405-ENG-48; AC03-76SF00098
• OSTI ID: 6901256
• Report Number(s): UCRL-JC-103608; CONF-900450--3; ON: DE90011482
• Country of Publication: United States
• Language: English

Related Subjects

651920* -- Nuclear Properties & Reactions
A=190-219
Experimental
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
BAND THEORY
BETA DECAY
BETA DECAY RADIOISOTOPES
CHARGED-PARTICLE REACTIONS
DECAY
DEFORMATION
ELECTROMAGNETIC RADIATION
ELECTRON CAPTURE RADIOISOTOPES
ENERGY-LEVEL TRANSITIONS
EVEN-EVEN NUCLEI
EXCITATION
GAMMA RADIATION
HEAVY ION REACTIONS
HEAVY NUCLEI
IONIZING RADIATIONS
ISOMERIC TRANSITION ISOTOPES
ISOTOPES
LEAD 194
LEAD 196
LEAD ISOTOPES
MAGNESIUM 24 REACTIONS
MAGNESIUM 26 REACTIONS
MINUTES LIVING RADIOISOTOPES
MOMENT OF INERTIA
NUCLEAR DECAY
NUCLEAR REACTIONS
NUCLEAR STRUCTURE
NUCLEI
RADIATIONS
RADIOISOTOPES
TARGETS
YTTERBIUM 176 TARGET