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

GUAN Xing-Yin; SONG Zhao-Hui; HAN He-Tong

doi:10.1088/1674-1137/35/7/010

Chinese Physics C> 2011, Vol. 35> Issue(7) : 656-659 DOI: 10.1088/1674-1137/35/7/010

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

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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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[1] CHANG KONG-LIANG . DIMENSIONAL METHOD TO SOLVE THE DIFFUSION CONVECTION EQUATION OF SOLAR COSMIC RAYS. Chinese Physics C, 1978, 2(3): 200-210.
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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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沈阳化工大学材料科学与工程学院沈阳 110142

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

Received Date: 2010-09-25
Accepted Date: 2010-11-08
Available Online: 2011-07-05

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).