A system for correlation measurements of the products or rare spontaneous fission events

• Published in: Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment Vol. 245; no. 2; pp. 481 - 484
• Main Authors: Sokol, E.A., Zeinalov, Sh.S., Smirnov, V.I., Ter-Akopian, G.M., Chelnokov, L.P.
• Format: Journal Article
• Language: English
• Published: Elsevier B.V 01.05.1986
• ISSN: 0168-9002; 1872-9576
• DOI: 10.1016/0168-9002(86)91284-2

A detector designed to register γ-quanta emitted in spontaneous fission of nuclei is described. It was used together with a neutron detector with 3He counters designed to register rare events of spontaneous fission. An additional γ-ray detector used with the neutron detector permitted the increase of information on every event registered. It allowed a decrease of the background when detecting spontaneous fission rare events. For a detection efficiency for spontaneous fission ϵ = 0.8 (for 252Cf) the detector background was about one event, in which one neutron and not less than three γ-quanta were registered per day. Energy spectra and distributions over multiplicity of γ-quanta of spontaneous fission in 252Cf are presented.