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In-flight energy calibration of the space-borne Compton polarimeter POLAR
Xiao HL(肖华林); Wu BB(吴伯冰); Bao TW(鲍天威); Dong YW(董永伟); Kong SW(孔思伟); Li L(李陆); Li ZH(李正恒); Liu JT(刘江涛); Liu X(刘鑫); Shi HL(师昊礼); Song LM(宋黎明); Sun JC(孙建超); Xiong SL(熊少林); Wang RJ(王瑞杰); Wen X(文星); Zhang LY(张来宇); Zhang SN(张双南); Zhang XF(张晓峰); Zhang YJ(张永杰); Xiao, HL; Hajdas, W; Wu, BB; Produit, N; Bao, TW; Bernasconi, T; Cadoux, F; Dong, YW; Egli, K; Gauvin, N; Kole, M; Kramert, R; Kong, SW; Li, L; Li, ZH; Liu, JT; Liu, X; Marcinkowski, R; Rybka, DK; Pohl, M; Shi, HL; Song, LM; Sun, JC; Xiong, SL; Szabelski, J; Socha, P; Wang, RJ; Wen, X; Wu, X; Zhang, LY; Zhang, P; Zhang, SN; Zhang, XF; Zhang, YJ; Zwolinska, A
2018
Source PublicationASTROPARTICLE PHYSICS
ISSN0927-6505
EISSN1873-2852
Volume103Pages:74-86
SubtypeArticle
AbstractPOLAR is a compact wide-field space-borne detector for precise measurements of the linear polarisation of hard X-rays emitted from gamma-ray burst and solar flares in the energy range of 50 keV to 500 keV. It consists of a 40 x 40 array of plastic scintillator bars used as a detection material. POLAR was launched into a low Earth orbit on-board the Chinese space-lab TG-2 on September 15, 2016. To achieve high accuracies in polarisation measurements it is essential to perform a precise energy calibration both before and during the flight. Such calibrations are performed with four low activity Na-22 radioactive sources placed inside the instrument. Energy conversion factors are related to Compton edge positions from the collinear annihilation photons from the sources. This paper presents the main principles of the in-flight calibration, describes studies of the method based on Monte Carlo simulations and its laboratory verification, and provides some observation results based on the in-flight data analysis. (C) 2018 Elsevier B.V. All rights reserved.
KeywordGamma-ray burst Polarisation POLAR In-flight calibration
DOI10.1016/j.astropartphys.2018.07.009
WOS KeywordGAMMA-RAY BURSTS ; MISSION
Indexed BySCI ; EI
Language英语
WOS Research AreaAstronomy & Astrophysics ; Physics
WOS SubjectAstronomy & Astrophysics ; Physics, Particles & Fields
WOS IDWOS:000445718600010
EI Accession Number20183205676101
ADS Bibcode2018APh...103...74X
AXRIV CODE1710
inspireid1632416
Citation statistics
Cited Times:4 [INSPIRE]
Cited Times:9 [ADS]
Document Type期刊论文
Identifierhttp://ir.ihep.ac.cn/handle/311005/286368
Collection粒子天体物理中心
中国科学院高能物理研究所_中国散裂中子源
Corresponding AuthorXiao HL(肖华林)
Affiliation中国科学院高能物理研究所
First Author AffilicationInstitute of High Energy
Corresponding Author AffilicationInstitute of High Energy
Recommended Citation
GB/T 7714
Xiao HL,Wu BB,Bao TW,et al. In-flight energy calibration of the space-borne Compton polarimeter POLAR[J]. ASTROPARTICLE PHYSICS,2018,103:74-86.
APA 肖华林.,吴伯冰.,鲍天威.,董永伟.,孔思伟.,...&Zwolinska, A.(2018).In-flight energy calibration of the space-borne Compton polarimeter POLAR.ASTROPARTICLE PHYSICS,103,74-86.
MLA 肖华林,et al."In-flight energy calibration of the space-borne Compton polarimeter POLAR".ASTROPARTICLE PHYSICS 103(2018):74-86.
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