A Novel Boron-Loaded Liquid Scintillator for Neutron Detection | Zendy

G. Bentoumi | Zendy; X. Dai | Zendy; Ewa Pruszkowski | Zendy; Liqian Li | Zendy; B. Sur | Zendy

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A Novel Boron-Loaded Liquid Scintillator for Neutron Detection

Author(s) -

G. Bentoumi,

X. Dai,

Ewa Pruszkowski,

Liqian Li,

B. Sur

Publication year - 2012

Publication title -

aecl nuclear review

Language(s) - English

Resource type - Journals

eISSN - 1929-6371

pISSN - 1929-8056

DOI - 10.12943/anr.2012.00008

Subject(s) - scintillator , linear alkylbenzene , neutron , boron , neutron detection , neutron capture , materials science , neutron temperature , radiochemistry , analytical chemistry (journal) , liquid scintillation counting , neutron radiation , nuclear physics , physics , chemistry , optics , chromatography , detector , pulmonary surfactant , thermodynamics

A boron-loaded liquid scintillator (LS) has been optimized for neutron detection application in a high gamma field environment. It is composed of the solvent linear alkylbenzene (LAB), a boroncontaining material, o-carborane (C 2 B 10 H 12 ); a fluor, 2,5-diphenyloxazole (PPO); and a wavelength shifter, 1,4-bis[2-methylstyryl] benzene (bis-MSB). Preparation of the liquid scintillator and optimization of its chemical composition are described. The boronloaded LS has been tested with a neutron beam at the National Research Universal (NRU) reactor. A peak at an equivalent energy of 60 keV is observed in the energy spectrum and is attributed to neutrons. The results confirm the possibility of using B-10 loaded scintillator as a sensitive medium for neutron detection in a relatively large background of gamma rays.

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