Evidence for weak coupling in sup 145 Pm

Journal Article · Tue Mar 31 23:00:00 EST 1992 · Physical Review, C (Nuclear Physics); (United States)

DOI:https://doi.org/10.1103/PhysRevC.45.1619· OSTI ID:7043918

Glasmacher, T; Caussyn, D D; Cottle, P D; Johnson, T D; Kemper, K W; Womble, P C ^[1]

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1. Department of Physics, Florida State University, Tallahassee, Florida 32306 (United States)

States in {sup 145}Pm were studied in the reaction {sup 130}Te({sup 19}F,4{ital n}) at a beam energy of 75 MeV using techniques of in-beam {gamma}-ray and conversion electron spectroscopy. Measurements were made of {gamma}-{gamma} coincidences, {gamma}-ray angular distributions, conversion electrons, and excitation functions between 70 and 85 MeV. The reduced {ital B}({ital E}3) transition strength for the 795 keV (11/2{sup {minus}}{r arrow}5/2{sub g.s.}{sup +}) transition was determined to be 7.8(18) Weisskopf units, supporting the interpretation of the 11/2{sup {minus}} state as a {ital h}{sub 11/2} proton state. A negative-parity sequence built on the 11/2{sup {minus}} state as well as eleven new states above the 1503 keV 15/2{sup +} state were found. A weak coupling model can explain the structure of the deduced decay scheme up to an energy of 2.5 MeV.

• OSTI ID: 7043918
• Journal Information: Physical Review, C (Nuclear Physics); (United States), Journal Name: Physical Review, C (Nuclear Physics); (United States) Vol. 45:4; ISSN 0556-2813; ISSN PRVCA
• Country of Publication: United States
• Language: English

Related Subjects

663450* -- Heavy-Ion-Induced Reactions & Scattering-- (1992-)
663560 -- Nuclear Mass Ranges-- A=90-149-- (1992-)
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
ALPHA DECAY RADIOISOTOPES
ANGULAR DISTRIBUTION
BARYONS
BETA DECAY RADIOISOTOPES
CHARGED-PARTICLE REACTIONS
COINCIDENCE METHODS
COINCIDENCE SPECTROMETRY
CONVERSION
COUNTING TECHNIQUES
DATA
DECAY
DISTRIBUTION
E3-TRANSITIONS
ELECTRON CAPTURE RADIOISOTOPES
ELEMENTARY PARTICLES
ENERGY LEVELS
ENERGY RANGE
ENERGY-LEVEL TRANSITIONS
EXPERIMENTAL DATA
FERMIONS
FLUORINE 19 REACTIONS
HADRONS
HEAVY ION REACTIONS
IN-BEAM SPECTROSCOPY
INFORMATION
INTERMEDIATE MASS NUCLEI
INTERNAL CONVERSION
INTERNAL CONVERSION RADIOISOTOPES
ISOTOPES
MATHEMATICAL MODELS
MEV RANGE
MEV RANGE 10-100
MULTIPOLE TRANSITIONS
NEUTRONS
NUCLEAR DECAY
NUCLEAR MODELS
NUCLEAR REACTIONS
NUCLEI
NUCLEONS
NUMERICAL DATA
ODD-EVEN NUCLEI
PROMETHIUM 145
PROMETHIUM ISOTOPES
RADIOISOTOPES
RARE EARTH ISOTOPES
RARE EARTH NUCLEI
SPECTROSCOPY
TARGETS
TELLURIUM 130 TARGET
WEAK-COUPLING MODEL
YEARS LIVIN