Production of the 178m2Hf Isomer in a Nuclear Reactor

A study is performed of the production of the 178 m 2 Hf isomer ( T 1/2 = 31 years) upon the neutron irradiation of natural hafnium in a water-moderated reactor with a neutron fluence of ~10 22 cm −2 . It is shown that the 178 m 2 Hf isomer forms mainly in reactions between fast neutrons and isotope...

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Published in:Bulletin of the Russian Academy of Sciences. Physics 2021-10, Vol.85 (10), p.1147-1150
Main Authors: Afanasiev, V. V., Gromov, M. O., Izhutov, A. L., Koltsov, V. V., Petelin, A. L., Pimenov, V. V., Sazontov, S. A.
Format: Article
Language:English
Subjects:
Fast neutrons
Fluence
Hadrons
Hafnium isotopes
Heavy Ions
Neutron irradiation
Neutrons
Nuclear Physics
Nuclear reactors
Physics
Physics and Astronomy
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container_title Bulletin of the Russian Academy of Sciences. Physics
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creator Afanasiev, V. V.
Gromov, M. O.
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Koltsov, V. V.
Petelin, A. L.
Pimenov, V. V.
Sazontov, S. A.
description A study is performed of the production of the 178 m 2 Hf isomer ( T 1/2 = 31 years) upon the neutron irradiation of natural hafnium in a water-moderated reactor with a neutron fluence of ~10 22 cm −2 . It is shown that the 178 m 2 Hf isomer forms mainly in reactions between fast neutrons and isotopes 178 Hf or 179 Hf. The specific activity of the isomer in irradiated hafnium is around 2 kBq g −1 .
doi_str_mv 10.3103/S1062873821100038
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subjects Fast neutrons
Fluence
Hadrons
Hafnium isotopes
Heavy Ions
Neutron irradiation
Neutrons
Nuclear Physics
Nuclear reactors
Physics
Physics and Astronomy
title Production of the 178m2Hf Isomer in a Nuclear Reactor
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