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 |
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Main Authors: | , , , , , , |
Format: | Article |
Language: | English |
Subjects: | |
Citations: | Items that this one cites |
Online Access: | Get full text |
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Summary: | 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
. |
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ISSN: | 1062-8738 1934-9432 |
DOI: | 10.3103/S1062873821100038 |