Triggering the {sup 178m2}Hf isomer via resonance conversion
Journal Article
·
· Physics of Atomic Nuclei
- St. Petersburg State University, Fock Institute of Physics (Russian Federation)
Experiments on photoinduced deexcitation of {sup 178m2}Hf are reanalyzed. A mechanismof triggering the 12.7-keV E3 transition, based on resonance conversion, is considered. That rises the efficiency by an order of magnitude. The main obstacle for enhancing the efficiency is a high internal conversion rate. For this reason, isomers with low multipole order (E1, M1) with high enough energy of the triggering transition are more suitable for triggering. Another way is offered by partial ionization of the outer electrons for decreasing the conversion rate. The results are applied to experiments in laser-produced plasma.
- OSTI ID:
- 21402523
- Journal Information:
- Physics of Atomic Nuclei, Journal Name: Physics of Atomic Nuclei Journal Issue: 8 Vol. 71; ISSN 1063-7788; ISSN PANUEO
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
74 ATOMIC AND MOLECULAR PHYSICS
CONVERSION
DE-EXCITATION
DECAY
E3-TRANSITIONS
EFFICIENCY
ELECTRONS
ELEMENTARY PARTICLES
ENERGY RANGE
ENERGY-LEVEL TRANSITIONS
EVEN-EVEN NUCLEI
FERMIONS
HAFNIUM 178
HAFNIUM ISOTOPES
INTERMEDIATE MASS NUCLEI
INTERNAL CONVERSION
INTERNAL CONVERSION RADIOISOTOPES
IONIZATION
ISOMERIC TRANSITION ISOTOPES
ISOMERS
ISOTOPES
KEV RANGE
LASER-PRODUCED PLASMA
LEPTONS
MULTIPOLE TRANSITIONS
NUCLEAR DECAY
NUCLEI
PLASMA
RADIOISOTOPES
RESONANCE
SECONDS LIVING RADIOISOTOPES
STABLE ISOTOPES
YEARS LIVING RADIOISOTOPES
CONVERSION
DE-EXCITATION
DECAY
E3-TRANSITIONS
EFFICIENCY
ELECTRONS
ELEMENTARY PARTICLES
ENERGY RANGE
ENERGY-LEVEL TRANSITIONS
EVEN-EVEN NUCLEI
FERMIONS
HAFNIUM 178
HAFNIUM ISOTOPES
INTERMEDIATE MASS NUCLEI
INTERNAL CONVERSION
INTERNAL CONVERSION RADIOISOTOPES
IONIZATION
ISOMERIC TRANSITION ISOTOPES
ISOMERS
ISOTOPES
KEV RANGE
LASER-PRODUCED PLASMA
LEPTONS
MULTIPOLE TRANSITIONS
NUCLEAR DECAY
NUCLEI
PLASMA
RADIOISOTOPES
RESONANCE
SECONDS LIVING RADIOISOTOPES
STABLE ISOTOPES
YEARS LIVING RADIOISOTOPES