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Fast neutron measurements using Cs2LiYCl6:Ce (CLYC) scintillator

Authors :
P. Forget
E.T.H. Clifford
Joshua Tower
P. O'Dougherty
Harry Ing
T. Achtzehn
Urmila Shirwadkar
L. Soundara-Pandian
Rastgo Hawrami
M. B. Smith
Jaroslaw Glodo
H. R. Andrews
K.S. Shah
Source :
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 784:162-167
Publication Year :
2015
Publisher :
Elsevier BV, 2015.

Abstract

Samples of Cs2LiYCl6 :Ce (CLYC) scintillator have been characterized using monoenergetic neutron beams in the energy range 4.1–5.5 MeV. Four crystals with dimensions (thickness×diameter) of 1″×1″, 1″×2″, and 2″×2″ were evaluated, including one crystal with natural concentrations of Li isotopes and three that were enriched in 6 Li. The intrinsic efficiency of CLYC for fast-neutron detection has been determined for the natural-Li crystal. These measurements were translated into reaction cross-sections, and show good agreement with available cross-section data for neutron interactions with the 35Cl component of CLYC. Furthermore, it is shown that the charged-particle energy released in the fast-neutron reactions on 35 Cl varies linearly with the energy of the incoming neutron. These results verify the efficacy of CLYC for fast-neutron spectroscopy in a range of applications.

Details

ISSN :
01689002
Volume :
784
Database :
OpenAIRE
Journal :
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Accession number :
edsair.doi...........3067c31c4f7274ced0345edb54b224ff