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Decay of the 6 sup minus isomer of sup 164 Tm

Journal Article · · Physical Review, C (Nuclear Physics); (United States)
 [1];  [2];  [3];  [1];  [4]
  1. Variable Energy Cyclotron Centre, 1/AF Bidhan Nagar, Calcutta 700 064 (India)
  2. Saha Institute of Nuclear Physics, 1/AF Bidhan Nagar, Calcutta 700 064 (India)
  3. Radiochemistry Division, Variable Energy Cyclotron Centre, Bhabha Atomic Research Centre, 1/AF Bidhan Nagar, Calcutta 700 064 (India)
  4. Nuclear Science Centre, Post Box No. 10502, New Delhi 110067 (India)
+ Show Author Affiliations
The decay of the 6{sup {minus}} isomer of {sup 164}Tm has been studied by gamma-ray spectroscopy with large-volume high-resolution germanium detectors. Levels in {sup 164}Er belonging to six different bands with {ital K}{sup {pi}}=0{sup +}, 2{sup +}, 0{sup {minus}}, 2{sup {minus}}, 5{sup {minus}}, and 7{sup {minus}} are observed in the 5.1 min {sup 164}Tm decay. Two new levels at 1683.64 and 3302.8 keV and four levels at 1610.5, 1764.1, 1798.8, and 2163.65 keV known from reaction studies in {sup 164}Er are observed to be populated in the decay. The revised decay scheme of the 5.1 min {sup 164}Tm based on the present work shows 17 additional {gamma}-ray transitions including eight new transitions with energies 73.0, 199.5, 486.0, 551.5, 624.6, 737.06, 1139.2, and 1317.6 keV, and nine other {gamma}-ray transitions with energies 178.61, 251.0, 299.8, 347.2, 520.3, 1059.4, 1149.6, 1184.3, and 1499.3 keV, in agreement with the results of reaction studies. The results of the measurements are discussed in the light of the known band structure of {sup 164}Er.
OSTI ID:
7048202
Journal Information:
Physical Review, C (Nuclear Physics); (United States), Journal Name: Physical Review, C (Nuclear Physics); (United States) Vol. 45:3; ISSN 0556-2813; ISSN PRVCA
Country of Publication:
United States
Language:
English

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73 NUCLEAR PHYSICS AND RADIATION PHYSICS
ALPHA REACTIONS
BARYONS
BETA DECAY
BETA DECAY RADIOISOTOPES
BETA-PLUS DECAY RADIOISOTOPES
CHARGED-PARTICLE REACTIONS
COINCIDENCE METHODS
COUNTING TECHNIQUES
DATA
DECAY
DIRECT REACTIONS
ELECTRON CAPTURE DECAY
ELECTRON CAPTURE RADIOISOTOPES
ELEMENTARY PARTICLES
ENERGY LEVELS
ENERGY RANGE
ERBIUM 164
ERBIUM ISOTOPES
EVEN-EVEN NUCLEI
EXCITED STATES
EXPERIMENTAL DATA
FERMIONS
FT VALUE
GAMMA SPECTRA
HADRONS
HOLMIUM 165 TARGET
INELASTIC SCATTERING
INFORMATION
INTERMEDIATE MASS NUCLEI
ISOMERIC TRANSITION ISOTOPES
ISOTOPES
MEV RANGE
MEV RANGE 10-100
MINUTES LIVING RADIOISOTOPES
NEUTRONS
NUCLEAR DECAY
NUCLEAR REACTIONS
NUCLEI
NUCLEONS
NUMERICAL DATA
ODD-ODD NUCLEI
ONE-NUCLEON TRANSFER REACTIONS
RADIOISOTOPES
RARE EA
RARE EARTH ISOTOPES
RARE EARTH NUCLEI
SCATTERING
SPECTRA
STABLE ISOTOPES
TARGETS
THULIUM 164
THULIUM ISOTOPES
TRANSFER REACTIONS