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- Title
Search for the Resonance Environmental Effect on the Decay Periods of Long-Lived Nuclear Isomers.
- Authors
Alpatov, V. G.; Bayukov, Yu. D.; Davydov, A. V.; Isaev, Yu. N.; Kartashov, G. R.; Korotkov, M. M.; Samoylov, V. M.
- Abstract
Experiments on a search for the resonance environmental effect on the decay periods T[sub 1/2] of long-lived nuclear isomers are described. It is shown that a change in T[sub 1/2] obtained upon sample cooling in previous experiments with the [sup 180][sup m]Hf isomer is likely due to the insufficient correctness of the procedure used for separating γ peaks from the backgrounds in the measured γ spectra. The new approach to this problem reveals the absence of this effect for T[sub 1/2] within an experimental accuracy of 1.2%. However, a difference of 2.25 ± 0.77% between the [sup 103][sup m]Rh decay periods T[sub 1/2] was found for the solid and liquid γ sources. A control experiment with the [sup 80][sup m]Br isomer showed that, as expected, the decay periods T[sub 1/2] for two temperatures coincide with each other within an accuracy of 1%. © 2003 MAIK “Nauka / Interperiodica”.
- Subjects
RESONANCE; NUCLEAR isomers; SPECTRUM analysis; RADIOACTIVE decay; NUCLEAR physics
- Publication
JETP Letters, 2003, Vol 78, Issue 10, p611
- ISSN
0021-3640
- Publication type
Article
- DOI
10.1134/1.1644302