Excitation of [sup 77]Se[sup [ital m]], [sup 79]Br[sup [ital m]], and [sup 191]Ir[sup [ital m]] by [sup 137]Cs [gamma] rays
Journal Article
·
· Physical Review, C (Nuclear Physics); (United States)
- Institute of Isotopes of the Hungarian Academy of Sciences, P.O. Box 77, H-1525 Budapest (Hungary)
Excitation of the 17.4 s [sup 77]Se[sup [ital m]], 4.9 s [sup 79]Br[sup [ital m]], and 4.9 s [sup 191]Ir[sup [ital m]] isomers by [gamma] rays of a strong [sup 137]Cs source was observed for the first time. Using a 67 TBq (1800 Ci) source for irradiation, isomeric activities were measured by means of [gamma] spectrometry. Identifying principal activation levels, photoexcitation cross sections were determined, allowing level lifetimes to be deduced.
- OSTI ID:
- 6587000
- Journal Information:
- Physical Review, C (Nuclear Physics); (United States), Journal Name: Physical Review, C (Nuclear Physics); (United States) Vol. 51:4; ISSN 0556-2813; ISSN PRVCAN
- Country of Publication:
- United States
- Language:
- English
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OSTI ID:5915979
Photoexcitation of {sup 189}Os{sup {ital m}} and {sup 193}Ir{sup {ital m}}. II. Excitation by {sup 137}Cs and {sup 60}Co {gamma} rays
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Fri Sep 01 00:00:00 EDT 1995
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·
OSTI ID:249492
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Journal Article
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Mon Dec 31 23:00:00 EST 1962
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·
OSTI ID:4694797
Related Subjects
663110* -- General & Average Properties of Nuclei & Nuclear Energy Levels-- (1992-)
663220 -- Electromagnetic Transitions-- (1992-)
663550 -- Nuclear Mass Ranges-- A=59-89-- (1992-)
663580 -- Nuclear Mass Ranges-- A=190-219-- (1992-)
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
ALKALI METAL ISOTOPES
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
BROMINE 79
BROMINE ISOTOPES
CESIUM 137
CESIUM ISOTOPES
CROSS SECTIONS
ELECTROMAGNETIC RADIATION
ENERGY-LEVEL TRANSITIONS
EVEN-ODD NUCLEI
EXCITATION
GAMMA RADIATION
GAMMA SPECTROMETERS
HEAVY NUCLEI
INTERMEDIATE MASS NUCLEI
INTERNAL CONVERSION RADIOISOTOPES
IONIZING RADIATIONS
IRIDIUM 191
IRIDIUM ISOTOPES
ISOMERIC TRANSITION ISOTOPES
ISOMERS
ISOTOPES
LIFETIME
MEASURING INSTRUMENTS
NUCLEAR REACTIONS
NUCLEI
ODD-EVEN NUCLEI
PHOTONUCLEAR REACTIONS
RADIATIONS
RADIOISOTOPES
SECONDS LIVING RADIOISOTOPES
SELENIUM 77
SELENIUM ISOTOPES
SPECTROMETERS
STABLE ISOTOPES
YEARS LIVING RADIOISOTOPES
663220 -- Electromagnetic Transitions-- (1992-)
663550 -- Nuclear Mass Ranges-- A=59-89-- (1992-)
663580 -- Nuclear Mass Ranges-- A=190-219-- (1992-)
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
ALKALI METAL ISOTOPES
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
BROMINE 79
BROMINE ISOTOPES
CESIUM 137
CESIUM ISOTOPES
CROSS SECTIONS
ELECTROMAGNETIC RADIATION
ENERGY-LEVEL TRANSITIONS
EVEN-ODD NUCLEI
EXCITATION
GAMMA RADIATION
GAMMA SPECTROMETERS
HEAVY NUCLEI
INTERMEDIATE MASS NUCLEI
INTERNAL CONVERSION RADIOISOTOPES
IONIZING RADIATIONS
IRIDIUM 191
IRIDIUM ISOTOPES
ISOMERIC TRANSITION ISOTOPES
ISOMERS
ISOTOPES
LIFETIME
MEASURING INSTRUMENTS
NUCLEAR REACTIONS
NUCLEI
ODD-EVEN NUCLEI
PHOTONUCLEAR REACTIONS
RADIATIONS
RADIOISOTOPES
SECONDS LIVING RADIOISOTOPES
SELENIUM 77
SELENIUM ISOTOPES
SPECTROMETERS
STABLE ISOTOPES
YEARS LIVING RADIOISOTOPES