Fluence rate linear response limit of a scintillators to γ-rays

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GUAN Xing-Yin, SONG Zhao-Hui and HAN He-Tong. Fluence rate linear response limit of a scintillators to γ-rays[J]. Chinese Physics C, 2011, 35(7): 656-659. doi: 10.1088/1674-1137/35/7/010
GUAN Xing-Yin, SONG Zhao-Hui and HAN He-Tong. Fluence rate linear response limit of a scintillators to γ-rays[J]. Chinese Physics C, 2011, 35(7): 656-659.  doi: 10.1088/1674-1137/35/7/010 shu
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Received: 2010-09-25
Revised: 2010-11-08
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Fluence rate linear response limit of a scintillators to γ-rays

Abstract: Scintillation detectors based on LSO, CeF and PbWO are the main candidates for measuring γ-rays in a mixed γ/n pulsed radiation field with high intensity. An experiment using the Lissajous figure method to study the high fluence rate response behavior of three kinds of commonly used scintillators is introduced in this paper. The result shows that the fluence rate linear response limit of LSO and CeF is 1.9×1019 and 2.1×1018MeV/(cm2·s), respectively, and the PbWO scintillator still maintains linear response when the fluence rate of γ-ray is up to 2.0 × 1020 MeV/(cm2·s).

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