The neutron scintillator detector arrays (NSDA) for the GPPD in the CSNS

Bin Tang; Zhijia Sun; Chang Huang; Yun Liu; Hong Xu; Shaojia Chen; Xiuku Wang; Qian Yu; Haiyun Teng; Yanfeng Wang; Guian Yang; Yuanbo Cheng

doi:10.1117/12.2524697

10 May 2019 The neutron scintillator detector arrays (NSDA) for the GPPD in the CSNS

Bin Tang, Zhijia Sun, Chang Huang, Yun Liu, Hong Xu, Shaojia Chen, Xiuku Wang, Qian Yu, Haiyun Teng, Yanfeng Wang, Guian Yang, Yuanbo Cheng

Author Affiliations +

Proceedings Volume 11068, Second Symposium on Novel Technology of X-Ray Imaging; 110682D (2019) https://doi.org/10.1117/12.2524697
Event: Second Symposium on Novel Technology of X-Ray Imaging, 2018, Hefei, China

Abstract

Chinese Spallation Neutron Source (CSNS) is under construction in Guangdong province since 2008. The investigation of the Neutron Scintillator Detector Arrays (NSDA) have been developed to fulfill the requirements of the General Purpose Power Diffractometer (GPPD). The detector module consists of ⁶LiF/ZnS (Ag) scintillators, crossed WLSF arrays, multi-anode photo multiplier tubes (MA-PMT), and the ASIC readout electronics. The position resolution of the detector module is 4mm×4mm, and the thermal neutron detect efficiency is better than 45%. 38 detector modules for phase I of the GPPD have been finished and been installed in GPPD in Aug., 2017. Joint debugging with neutron beam in the GPPD was started at the CSNS on November 1, 2017. During the 10-day joint debugging period, the NSDA successfully obtained diffraction data. The instrument resolution of the diffraction data for the standard Si powder for high angle banks is calculated to be 0.184%. It is better than that of the physical design.

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Bin Tang, Zhijia Sun, Chang Huang, Yun Liu, Hong Xu, Shaojia Chen, Xiuku Wang, Qian Yu, Haiyun Teng, Yanfeng Wang, Guian Yang, and Yuanbo Cheng "The neutron scintillator detector arrays (NSDA) for the GPPD in the CSNS", Proc. SPIE 11068, Second Symposium on Novel Technology of X-Ray Imaging, 110682D (10 May 2019); https://doi.org/10.1117/12.2524697

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