Evidence for weak deformation in the 88-neutron nucleus /sup 153/Tb. [Q, ft value,. gamma. spectra from /sup 153/Dy decay]
Journal Article
·
· Phys. Rev., C; (United States)
The decay of 6.3-h /sup 153/Dy to levels in /sup 153/Tb has been studied with high-resolution detectors. Sources were prepared by the /sup 154/Gd(/sup 3/He,4n) reaction and chemically purified by ion exchange. A total of 329 ..gamma.. rays were assigned to /sup 153/Dy decay; another 71 ..gamma.. rays may be associated with /sup 153/Dy decay. The proposed decay scheme of 54 levels includes 319 of the 400 ..gamma.. rays. The Q value for ..beta.. decay was measured to be 2250 +- 50 keV. Eleven low-lying positive-parity levels were interpreted in the Coriolis-mixed, particle-plus-rotor model as Nilsson states and rotational band members. Nilsson orbitals so interpreted include 5/2/sup +/(402), ground state; 3/2/sup +/(411), 147.4 keV; 5/2/sup +/(413), 218.6 keV; and 7/2/sup +/(404), 254.2 keV. The order and spacing of the negative-parity levels are consistent with rotation-alignment model predictions. For both positive- and negative-parity levels a deformation ..beta.. of about 0.15 is required to fit the data.
- Research Organization:
- Cyclotron Institute, Texas AM University, College Station, Texas 77843
- OSTI ID:
- 7124104
- Journal Information:
- Phys. Rev., C; (United States), Journal Name: Phys. Rev., C; (United States) Vol. 15:2; ISSN PRVCA
- Country of Publication:
- United States
- Language:
- English
Similar Records
Nuclear data sheets for A = 153
PROPERTIES OF GAMMA TRANSITIONS IN THE DECAYS OF Sm$sup 153$ AND Gd$sup 153$ INTO Eu$sup 15$$sup 3$
Decay properties of /sup 153/Yb and /sup 153/Tm; Excitation energies of the s/sub 1/2/ and h/sub 11/2/ proton states in /sup 153/Tm
Journal Article
·
Sun Jul 01 00:00:00 EDT 1973
· Nucl. Data Sheets, v. 10, no. 5, pp. 429-513
·
OSTI ID:4330502
PROPERTIES OF GAMMA TRANSITIONS IN THE DECAYS OF Sm$sup 153$ AND Gd$sup 153$ INTO Eu$sup 15$$sup 3$
Journal Article
·
Mon May 11 00:00:00 EDT 1964
· Physical Review (U.S.) Superseded in part by Phys. Rev. A, Phys. Rev. B: Solid State, Phys. Rev. C, and Phys. Rev. D
·
OSTI ID:4003855
Decay properties of /sup 153/Yb and /sup 153/Tm; Excitation energies of the s/sub 1/2/ and h/sub 11/2/ proton states in /sup 153/Tm
Journal Article
·
Tue Jan 31 23:00:00 EST 1989
· Phys. Rev. C; (United States)
·
OSTI ID:6530662
Related Subjects
651822 -- Nuclear Properties & Reactions
A=150-189
Experimental-- Radioactive Decay-- (-1987)
651823* -- Nuclear Properties & Reactions
A=150-189
Experimental-- Energy Levels & Transitions-- (-1987)
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
ALPHA DECAY RADIOISOTOPES
BASIC INTERACTIONS
BETA DECAY
BETA DECAY RADIOISOTOPES
DAYS LIVING RADIOISOTOPES
DECAY
DYSPROSIUM ISOTOPES
ELECTRON CAPTURE RADIOISOTOPES
ENERGY
ENERGY LEVELS
EVEN-ODD NUCLEI
EXCITED STATES
INTERACTIONS
INTERMEDIATE MASS NUCLEI
ISOTOPES
LEPTONIC DECAY
MATHEMATICAL MODELS
NUCLEAR MODELS
NUCLEI
ODD-EVEN NUCLEI
PARTICLE DECAY
PARTICLE PROPERTIES
RADIOISOTOPES
RARE EARTH ISOTOPES
RARE EARTH NUCLEI
ROTATIONAL STATES
SPECTRA
TERBIUM 153
TERBIUM ISOTOPES
WEAK INTERACTIONS
WEAK PARTICLE DECAY
A=150-189
Experimental-- Radioactive Decay-- (-1987)
651823* -- Nuclear Properties & Reactions
A=150-189
Experimental-- Energy Levels & Transitions-- (-1987)
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
ALPHA DECAY RADIOISOTOPES
BASIC INTERACTIONS
BETA DECAY
BETA DECAY RADIOISOTOPES
DAYS LIVING RADIOISOTOPES
DECAY
DYSPROSIUM ISOTOPES
ELECTRON CAPTURE RADIOISOTOPES
ENERGY
ENERGY LEVELS
EVEN-ODD NUCLEI
EXCITED STATES
INTERACTIONS
INTERMEDIATE MASS NUCLEI
ISOTOPES
LEPTONIC DECAY
MATHEMATICAL MODELS
NUCLEAR MODELS
NUCLEI
ODD-EVEN NUCLEI
PARTICLE DECAY
PARTICLE PROPERTIES
RADIOISOTOPES
RARE EARTH ISOTOPES
RARE EARTH NUCLEI
ROTATIONAL STATES
SPECTRA
TERBIUM 153
TERBIUM ISOTOPES
WEAK INTERACTIONS
WEAK PARTICLE DECAY