Light Output Response of BC501A Liquid Scintillator to γ-rays

JIN Zengxue; CHEN Zhiqiang; ZHANG Suyalatu; HAN Rui; LIU Xingquan; LIN Weiping; REN Peipei; JIA Baolu; SHI Fudong

doi:10.11804/NuclPhysRev.31.04.494

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Volume 31 Issue 4

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Article Navigation > Nuclear Physics Review > 2014 > 31(4): 494-498

JIN Zengxue, CHEN Zhiqiang, ZHANG Suyalatu, HAN Rui, LIU Xingquan, LIN Weiping, REN Peipei, JIA Baolu, SHI Fudong, . Light Output Response of BC501A Liquid Scintillator to γ-rays[J]. Nuclear Physics Review, 2014, 31(4): 494-498. doi: 10.11804/NuclPhysRev.31.04.494

Citation:

JIN Zengxue, CHEN Zhiqiang, ZHANG Suyalatu, HAN Rui, LIU Xingquan, LIN Weiping, REN Peipei, JIA Baolu, SHI Fudong, . Light Output Response of BC501A Liquid Scintillator to γ-rays[J]. Nuclear Physics Review, 2014, 31(4): 494-498. doi: 10.11804/NuclPhysRev.31.04.494

Light Output Response of BC501A Liquid Scintillator to γ-rays

doi: 10.11804/NuclPhysRev.31.04.494

Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China;
University of Chinese Academy of Sciences, Beijing 100049, China;

Received Date: 1900-01-01
Rev Recd Date: 1900-01-01
Publish Date: 2014-12-20

Abstract

The light output response of BC501A liquid scintillator to -rays has been studied. The pulseheightspectra of BC501A (Φ5.08 cm x 5.08 cm) for different PMT high voltages have been measured using ¹³⁷Cs, ⁶⁰Co γ-ray sources. The Geant4 simulated pulse-height spectra showed a good agreement with experimental data. The energy resolution functions and energy calibration curves have been obtained by comparing measured light output distribution with simulated one. The position of the Compton edge relative to the position of the maximum and the half height of the spectra has also been studied using Geant4 in detail. The value of Nc/Nmax at the position of Compton edge decreases from 0.8 to 0.7 with the increase of incident -rays energy (0.2~0.3
MeV).
- BC501A,
- light output response,
- Geant4,
- energy resolution function,
- compton edge
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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

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Light Output Response of BC501A Liquid Scintillator to γ-rays

doi: 10.11804/NuclPhysRev.31.04.494

Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China;

University of Chinese Academy of Sciences, Beijing 100049, China;

Received Date: 1900-01-01
Rev Recd Date: 1900-01-01
Publish Date: 2014-12-20

Key words:

Abstract: The light output response of BC501A liquid scintillator to -rays has been studied. The pulseheightspectra of BC501A (Φ5.08 cm x 5.08 cm) for different PMT high voltages have been measured using ¹³⁷Cs, ⁶⁰Co γ-ray sources. The Geant4 simulated pulse-height spectra showed a good agreement with experimental data. The energy resolution functions and energy calibration curves have been obtained by comparing measured light output distribution with simulated one. The position of the Compton edge relative to the position of the maximum and the half height of the spectra has also been studied using Geant4 in detail. The value of Nc/Nmax at the position of Compton edge decreases from 0.8 to 0.7 with the increase of incident -rays energy (0.2~0.3
MeV).

Citation:

JIN Zengxue, CHEN Zhiqiang, ZHANG Suyalatu, HAN Rui, LIU Xingquan, LIN Weiping, REN Peipei, JIA Baolu, SHI Fudong, . Light Output Response of BC501A Liquid Scintillator to γ-rays[J]. Nuclear Physics Review, 2014, 31(4): 494-498. doi: 10.11804/NuclPhysRev.31.04.494