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Modeling level structures of odd-odd deformed nuclei

Conference ·
OSTI ID:6374646
; ; ;
A technique for modeling quasiparticle excitation energies and rotational parameters in odd-odd deformed nuclei has been applied to actinide species where new experimental data have been obtained by use of neutron-capture gamma-ray spectroscopy. The input parameters required for the calculation were derived from empirical data on single-particle excitations in neighboring odd-mass nuclei. Calculated configuration-specific values for the Gallagher-Moszkowski splittings were used. Calculated and experimental level structures for /sup 238/Np, /sup 244/Am, and /sup 250/Bk are compared, as well as those for several nuclei in the rare-earth region. The agreement for the actinide species is excellent, with bandhead energies deviating 22 keV and rotational parameters 5%, on the average. Corresponding average deviations for five rare-earth nuclei are 47 keV and 7%. Several applications of this modeling technique are discussed. 18 refs., 5 figs., 4 tabs.
Research Organization:
Lawrence Livermore National Lab., CA (USA); Grenoble-1 Univ., 38 (France). Inst. des Sciences Nucleaires; Fribourg Univ. (Switzerland). Inst. de Physique
DOE Contract Number:
W-7405-ENG-48
OSTI ID:
6374646
Report Number(s):
UCRL-91143; CONF-840906-23; ON: DE86002594
Country of Publication:
United States
Language:
English

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Related Subjects

651813* -- Nuclear Properties & Reactions
A=150-189
Theoretical-- Energy Levels & Transitions-- (-1987)
652013 -- Nuclear Properties & Reactions
A=220 & above
Theoretical-- Energy Levels & Transitions-- (-1987)
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
ACTINIDE ISOTOPES
ACTINIDE NUCLEI
AMERICIUM 244
AMERICIUM ISOTOPES
BERKELIUM 250
BERKELIUM ISOTOPES
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
DATA
DAYS LIVING RADIOISOTOPES
DEFORMED NUCLEI
ELECTRON CAPTURE RADIOISOTOPES
ENERGY LEVELS
EXCITED STATES
HEAVY NUCLEI
HOURS LIVING RADIOISOTOPES
INFORMATION
INTERMEDIATE MASS NUCLEI
INTERNAL CONVERSION RADIOISOTOPES
ISOTOPES
LUTETIUM 176
LUTETIUM ISOTOPES
MATHEMATICAL MODELS
MINUTES LIVING RADIOISOTOPES
NEPTUNIUM 238
NEPTUNIUM ISOTOPES
NUCLEAR MODELS
NUCLEI
NUMERICAL DATA
ODD-ODD NUCLEI
QUASI PARTICLES
RADIOISOTOPES
RARE EARTH ISOTOPES
RARE EARTH NUCLEI
ROTATIONAL STATES
THEORETICAL DATA
YEARS LIVING RADIOISOTOPES