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- Article name
- Preliminary results of 60Co β-decay rate change long-term experimental investigation in 2010
- Authors
- Baurov Yu. A., , Baurov@mail.ru, Central Research Institute of Machinery, 4 Pionerskaya str., Korolev, Moscow region, 141070, Russia
Demchuk, N. A., , Baurov@mail.ru, Central Research Institute of Machinery, 4 Pionerskaya str., Korolev, Moscow region, 141070, Russia
Baurov A. Yu., , Baurov@mail.ru, Central Research Institute of Machinery, 4 Pionerskaya str., Korolev, Moscow region, 141070, Russia
Baurov (junior) A. Yu., , Baurov@mail.ru, Central Research Institute of Machinery, 4 Pionerskaya str., Korolev, Moscow region, 141070, Russia
Dunin V. B., , , Joint Institute for Nuclear Researches, Dubna, Moscow region, 141980, Russia
Tikhomirov V. V., , , Joint Institute for Nuclear Researches, Dubna, Moscow region, 141980, Russia
Sergeev S. V., , , Joint Institute for Nuclear Researches, Dubna, Moscow region, 141980, Russia
- Keywords
- β-decay / 60Со / γ-quantum / decay rate / change
- Year
- 2011 Issue 5 Pages 12 - 21
- Code EDN
- Code DOI
- Abstract
- This paper provides the preliminary results from 2010 February-August long-term experimental study of 60Co β-decay rate changes measured with the use of scintillation detectors on basis of LaBr3 crystals. The experimental procedure was based on coincident records of γ-quanta with energies 1.117 and 1.332 MeV accompanying the 60Co β-decay. The data were processed by the statistical Kolmogoroff-Smirnoff′s criterion. In April the results have shown an excess over the 1 % significance level in the maximum difference between the theoretical uniform and experimental irregular γ-quanta distributions in the course of 24 hours' observation. A brief comparison of the result obtained with the earlier observational data for changes in the radioactive elements β-decay rate is given.
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