Measuring high-energy γ-ray emission accompanying the spontaneous fission of 252Cf nuclei

被引：0
|
作者：
N. V. Eremin
S. S. Markochev
A. A. Paskhalov
E. A. Tsvetkov
机构：
[1] Moscow State University,Skobel’tsyn Institute of Nuclear Physics
[2] Moscow Physicotechnical Institute (State University),undefined
来源：
Bulletin of the Russian Academy of Sciences: Physics | 2011年 / 75卷 / 4期
关键词：
Fission Fragment; Giant Dipole Resonance; Spontaneous Fission; Random Coincidence; Cosmic Back Ground;
D O I：
10.3103/S1062873811040113
中图分类号：
学科分类号：
摘要：
The probability of high-energy γ-ray emission accompanying the spontaneous fission of 252Cf nuclei in the energy range of 5–60 MeV was measured experimentally. The γ rays were detected by a BGO detector with a size of ∅7.6 × 7.6 cm in coincidence with neutrons detected by an organic polystyrene-based scintillator with a size of ∅6.0 × 2.0 cm. To reject events associated with the cosmic background, we propose an original method that combines rapid digitizing of the pulse shape and the time-of-flight method.
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