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A new method of testing space-based high-energy electron detectors with radioactive electron sources
Zhang, S.Y.; Shen, G.H.; Sun, Y.; Zhou, D.Z.; Zhang, X.X.; Li, J.W.; Huang, C.; Zhang, X.G.; Dong, Y.J.; Zhang, W.J.; Zhang, B.Q.; Shi, C.Y.,; Shen, G.H. (shgh@nssc.ac.cn)
Department空间环境部
Source PublicationNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
2016
Volume817Pages:63-69
ISSN0168-9002
Language英语
AbstractSpace-based electron detectors are commonly tested using radioactive β-sources which emit a continuous spectrum without spectral lines. Therefore, the tests are often to be considered only qualitative. This paper introduces a method, which results in more than a qualitative test even when using a β-source. The basic idea is to use the simulated response function of the instrument to invert the measured spectrum and compare this inverted spectrum with a reference spectrum obtained from the same source. Here we have used Geant4 to simulate the instrument response function (IRF) and a 3.5 mm thick Li-drifted Si detector to obtain the reference90Sr/90Yi source spectrum to test and verify the geometric factors of the Omni-Direction Particle Detector (ODPD) on the Tiangong-1 (TG-1) and Tiangong-2 (TG-2) spacecraft. The TG spacecraft are experimental space laboratories and prototypes of the Chinese space station. The excellent agreement between the measured and reference spectra demonstrates that this test method can be used to quantitatively assess the quality of the instrument. Due to its simplicity, the method is faster and therefore more efficient than traditional full calibrations using an electron accelerator. © 2016 Elsevier B.V. All rights reserved.
Indexed BySCI ; EI
Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/5329
Collection空间环境部
Corresponding AuthorShen, G.H. (shgh@nssc.ac.cn)
Recommended Citation
GB/T 7714
Zhang, S.Y.,Shen, G.H.,Sun, Y.,et al. A new method of testing space-based high-energy electron detectors with radioactive electron sources[J]. Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment,2016,817:63-69.
APA Zhang, S.Y..,Shen, G.H..,Sun, Y..,Zhou, D.Z..,Zhang, X.X..,...&Shen, G.H. .(2016).A new method of testing space-based high-energy electron detectors with radioactive electron sources.Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment,817,63-69.
MLA Zhang, S.Y.,et al."A new method of testing space-based high-energy electron detectors with radioactive electron sources".Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 817(2016):63-69.
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