IHEP OpenIR  > 引力波暴高能电磁对应体全天监测器(GECAM)
Energy response of GECAM gamma-ray detector based on LaBr3:Ce and SiPM array
Zhang, Dali; Li, Xinqiao; Xiong, Shaolin; Li, Yanguo; Sun, Xilei; An, Zhenghua; Xu, Yanbing; Zhu, Yue; Peng, Wenxi; Wang, Huanyu; Zhang, Fan
2019
Source PublicationNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
ISSN1689-0020
Volume921Pages:8--13
SubtypeJournal article (JA)
AbstractThe Gravitational wave high-energy Electromagnetic Counterpart All-sky Monitor (GECAM), composed of two small satellites, is a new mission to monitor the Gamma-Ray Bursts (GRBs) coincident with Gravitational Wave (GW) events with a FOV of 100% all-sky. Each GECAM satellite detects and localizes GRBs using 25 compact and novel Gamma-Ray Detectors (GRDs) in 6 keV5 MeV. Each GRD module is comprised of LaBr3:Ce scintillator, SiPM array and preamplifier. A large dynamic range of GRD is achieved by the high gain and low gain channels of the preamplifier. The energy response of GRD prototype was evaluated using radioactive sources in the range of 5.91332.5 keV. A energy resolution of 5.3% at 662 keV was determined from the 137Cs pulse height spectra, which meets the GECAM requirement ( 8% at 662 keV). Energy to channel conversion was evaluated and a nonlinearity correction was performed to reduce the residuals ( 1.5%). Also, a Geant4-based simulated in-flight background and a measured GRD LaBr3:Ce intrinsic activity were used to evaluate the capability of in-flight calibration. These results demonstrate the design of GRD. 2018 Elsevier B.V.
KeywordGamma rays Gravitational effects Gravity waves Radioactivity Scintillation counters Small satellites
DOI10.1016/j.nima.2018.12.032
Indexed BySCI ; ADS ; INSPIREHEP ; EI
Correlation强相关
Language英语
WOS IDWOS:000456821900002
EI Accession Number20190206350037
ADS Bibcode2019NIMPA.921....8Z
ADS URLhttps://ui.adsabs.harvard.edu/abs/2019NIMPA.921....8Z
ADS CITATIONShttps://ui.adsabs.harvard.edu/abs/2019NIMPA.921....8Z/citations
inspireid1712952
inspireURLhttps://inspirehep.net/literature/1712952
Citation statistics
Cited Times:4 [INSPIRE]
Cited Times:33 [ADS]
Document Type期刊论文
Identifierhttp://ir.ihep.ac.cn/handle/311005/287859
Collection引力波暴高能电磁对应体全天监测器(GECAM)
Recommended Citation
GB/T 7714
Zhang, Dali,Li, Xinqiao,Xiong, Shaolin,et al. Energy response of GECAM gamma-ray detector based on LaBr3:Ce and SiPM array[J]. Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment,2019,921:8--13.
APA Zhang, Dali.,Li, Xinqiao.,Xiong, Shaolin.,Li, Yanguo.,Sun, Xilei.,...&Zhang, Fan.(2019).Energy response of GECAM gamma-ray detector based on LaBr3:Ce and SiPM array.Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment,921,8--13.
MLA Zhang, Dali,et al."Energy response of GECAM gamma-ray detector based on LaBr3:Ce and SiPM array".Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 921(2019):8--13.
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