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	Waveform digitizing for LaBr_3/NaI phoswich detector
	She R(佘睿) ; Ji JF(季建峰) ; Feng H(冯骅) ; Li H(李红) ; Han D(韩冬) ; SHE Rui ; JI Jian-Feng ; FENG Hua ; LI Hong ; HAN Dong
	2016-03-30 ; 2016-03-30
关键词	X-ray detector phoswich LaBr3 waveform digitizing O572.212
其他题名	Waveform digitizing for LaBr_3/NaI phoswich detector
中文摘要	The detection efficiency of phoswich detector starts to decrease when Compton scattering becomes significant.Events with energy deposit in both scintillators,if not rejected,are not useful for spectral analysis as the full energy of the incident photon cannot be reconstructed with conventional readout.We show that once the system response is carefully calibrated,the full energy of those double deposit events can be reconstructed using a waveform digitizer as the readout.Our experiment suggests that the efficiency of a photopeak at 662 keV can be increased by a factor of 2 using our LaBr3/NaI phoswich detector.; The detection efficiency of phoswich detector starts to decrease when Compton scattering becomes significant. Events with energy deposit in both scintillators, if not rejected, are not useful for spectral analysis as the full energy of the incident photon cannot be reconstructed with conventional readout. We show that once the system response is carefully calibrated, the full energy of those double deposit events can be reconstructed using a waveform digitizer as the readout. Our experiment suggests that the efficiency of a photopeak at 662 keV can be increased by a factor of 2 using our LaBr3/NaI phoswich detector.
语种	英语 ; 英语
内容类型	期刊论文
源URL	[http://ir.lib.tsinghua.edu.cn/ir/item.do?handle=123456789/143161]
专题	清华大学
推荐引用方式 GB/T 7714	She R,Ji JF,Feng H,et al. Waveform digitizing for LaBr_3/NaI phoswich detector[J],2016, 2016.
APA	佘睿.,季建峰.,冯骅.,李红.,韩冬.,...&HAN Dong.(2016).Waveform digitizing for LaBr_3/NaI phoswich detector..
MLA	佘睿,et al."Waveform digitizing for LaBr_3/NaI phoswich detector".(2016).

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