Study of the low-lying states in /sup 178/Hf through the neutron capture reaction
Conference
·
OSTI ID:6432447
The decay of the low-lying states of /sup 178/Hf was investigated using: (1) high-resolution curved crystal spectrometry of the secondary ..gamma..-rays using the GAMS-1 and GAMS 2/3 facilities at the ILL, (2) measurements of the secondary (n,e/sup -/) transitions using the Electron Spectrometer BILL at the ILL, (3) measurements of the primary ..gamma..-transitions following thermal neutron capture with the pair-spectrometer at the ILL, and (4) Average Resonance Capture (ARC) measurements at the neutron energies of 2 keV and 24 keV, using the tailored beam facilities at BNL. A level scheme including 69 levels and 270 transitions up to an excitation energy of 2.1 MeV was constructed. Most of the levels were ordered in 18 different rotational bands. The levels assigned to rotational bands, along with the deexcitation modes of the ..gamma..-band (inset), are displayed. The level scheme of /sup 178/Hf seems to be complete below 2 MeV for spins between 2 and 5.
- Research Organization:
- Brookhaven National Lab., Upton, NY (USA); Koeln Univ. (Germany, F.R.). Inst. fuer Kernphysik; Institut Max von Laue - Paul Langevin, 38 - Grenoble (France)
- DOE Contract Number:
- AC02-76CH00016
- OSTI ID:
- 6432447
- Report Number(s):
- BNL-35322; CONF-840906-12; ON: DE85000882
- Country of Publication:
- United States
- Language:
- English
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·
OSTI ID:5508103
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OSTI ID:22069255
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· Physics of Atomic Nuclei
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OSTI ID:21436233
Related Subjects
651823* -- Nuclear Properties & Reactions
A=150-189
Experimental-- Energy Levels & Transitions-- (-1987)
651825 -- Nuclear Properties & Reactions
A=150-189
Experimental-- Nuclear Reactions & Scattering-- (-1987)
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
ANGULAR MOMENTUM
BARYON REACTIONS
CAPTURE
DATA
E2-TRANSITIONS
ENERGY LEVELS
ENERGY-LEVEL TRANSITIONS
EVEN-EVEN NUCLEI
EXCITED STATES
EXPERIMENTAL DATA
HADRON REACTIONS
HAFNIUM 177 TARGET
HAFNIUM 178
HAFNIUM ISOTOPES
INFORMATION
INTERMEDIATE MASS NUCLEI
ISOMERIC TRANSITION ISOTOPES
ISOTOPES
MULTIPOLE TRANSITIONS
NEUTRON REACTIONS
NUCLEAR REACTIONS
NUCLEI
NUCLEON REACTIONS
NUMERICAL DATA
PARITY
PARTICLE PROPERTIES
RADIOISOTOPES
ROTATIONAL STATES
SECONDS LIVING RADIOISOTOPES
SPIN
STABLE ISOTOPES
TARGETS
A=150-189
Experimental-- Energy Levels & Transitions-- (-1987)
651825 -- Nuclear Properties & Reactions
A=150-189
Experimental-- Nuclear Reactions & Scattering-- (-1987)
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
ANGULAR MOMENTUM
BARYON REACTIONS
CAPTURE
DATA
E2-TRANSITIONS
ENERGY LEVELS
ENERGY-LEVEL TRANSITIONS
EVEN-EVEN NUCLEI
EXCITED STATES
EXPERIMENTAL DATA
HADRON REACTIONS
HAFNIUM 177 TARGET
HAFNIUM 178
HAFNIUM ISOTOPES
INFORMATION
INTERMEDIATE MASS NUCLEI
ISOMERIC TRANSITION ISOTOPES
ISOTOPES
MULTIPOLE TRANSITIONS
NEUTRON REACTIONS
NUCLEAR REACTIONS
NUCLEI
NUCLEON REACTIONS
NUMERICAL DATA
PARITY
PARTICLE PROPERTIES
RADIOISOTOPES
ROTATIONAL STATES
SECONDS LIVING RADIOISOTOPES
SPIN
STABLE ISOTOPES
TARGETS