Abstract
This paper presents some results of the development of two new scintillation detectors usable for the detection and spectrometry of neutron and photon components of the mixed field. It is a series of liquid organic scintillators containing carbon, hydrogen, nitrogen and oxygen. Elements of individual scintillator designs are arranged in various chemical bonds defining physical and chemical properties of the scintillators. These scintillators have advantageous useful properties. They are non-hygroscopic, not poisonous and are not sensitive to contact with the outside atmosphere and can be stored in conventional laboratory containers.
Highlights
The authors list basic properties of two types of new liquid scintillators LSB205 and LSB206 that are compared with the characteristics of the BC 501 A (NE-213) liquid scintillator, which can be considered the standard used for many years for detection and spectrometry in the mixed field of neutron and photon radiation
The obtained scintillator temperature dependencies described in this article will enable to refine the measurement of the amplitude resolution of the neutron spectrum measured at the collimated reactor output beam moderated by silicon
The FOM temperature dependencies of each scintillator for the selected test temperature repertoire and concrete energy are shown in the following graphs for each scintillator separately
Summary
The authors list basic properties of two types of new liquid scintillators LSB205 and LSB206 that are compared with the characteristics of the BC 501 A (NE-213) liquid scintillator, which can be considered the standard used for many years for detection and spectrometry in the mixed field of neutron and photon radiation. This paper mainly contains qualitative and quantitative data on the resolution of neutron and photon particles detected by the scintillator. In order to use these scintillators for gamma/neutron mixed field spectrometry, it is necessary to obtain light output function at least for protons. The obtained scintillator temperature dependencies described in this article will enable to refine the measurement of the amplitude resolution of the neutron spectrum measured at the collimated reactor output beam moderated by silicon. This spectrum contains several neutron lines with well-defined energies which could substitute hard to obtain mono-energetic neutron sources [4], [5].
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