Geant4 simulation for the responses to X-rays and charged particles through the eXTP focusing mirrors

doi:10.1016/j.nima.2020.163702

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	Geant4 simulation for the responses to X-rays and charged particles through the eXTP focusing mirrors
	Qi, L.Q.1; Li, G.1; Xu, Y.P.1; Zhang, J.1; Yang, Y.J.1; Sheng, L.Z.5 ; Basso, S.2; Campana, R.3; Chen, Y.1; De Rosa, A.4; Pareschi, G.2; Qiang, P.F.5; Santangelo, A.6; Sironi, G.2; Song, L.M.1; Spiga, D.2; Tagliaferri, G.2; Wang, J.1; Wilms, J.7; Zhang, Y.1; Lu, F.J.1
作者部门	光电子学研究室
	2020-05-21
发表期刊	Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
ISSN	01689002
卷号	963
产权排序	5
摘要	A geometrical and physical model of Wolter-I type mirrors has been implemented in Geant4 for the design of the enhanced X-ray Timing and Polarimetry observatory (eXTP). It can simultaneously simulate the mirror responses to X-rays and charged particles. A new geometry class G4Hyperboloid is created and verified, which allows an exact surface profile description of Wolter-I optics. A physics model for the interaction of X-rays and matter is implemented to effectively estimate the focusing performances with reasonable accuracy, including the effective area and the point spread function. Scattering models of charged particles at grazing incidence are discussed. The multiple scattering model provided by the latest Geant4 release can be used instead of the single scattering model with reasonable accuracy and CPU cost when the step size is properly constrained. © 2020 Elsevier B.V.
关键词	X-ray telescope eXTP Geant4
DOI	10.1016/j.nima.2020.163702
收录类别	SCI ; EI
语种	英语
WOS记录号	WOS:000522020200002
出版者	Elsevier B.V.
EI入藏号	20201008270542
引用统计	被引频次：13[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.opt.ac.cn/handle/181661/93311
专题	光电子学研究室
通讯作者	Qi, L.Q.
作者单位	1.Key Laboratory of Particle Astrophysics, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing; 100049, China; 2.INAF-Brera Astronomical Observatory, Via E. Bianchi 46, Merate; 23807, Italy; 3.INAF/OAS, Via Gobetti 101, Bologna; I-40129, Italy; 4.INAF/IAPS, Institute for Space Astrophysics and Planetology, via Fosso del Cavaliere 100, Rome; 00133, Italy; 5.XIOPM, Xi'an Institute of Optics and Precision Mechanics, CAS, NO. 17 Xinxi Road, Xi'an, Shanxi, China; 6.Institut für Astronomie und Astrophysik Tübingen, Sand 1, Tübingen; 72076, Germany; 7.Remeis Observatory & ECAP, Universit?t Erlangen-Nürnberg, Sternwartstr. 7, Bamberg; 96049, Germany
推荐引用方式 GB/T 7714	Qi, L.Q.,Li, G.,Xu, Y.P.,et al. Geant4 simulation for the responses to X-rays and charged particles through the eXTP focusing mirrors[J]. Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment,2020,963.
APA	Qi, L.Q..,Li, G..,Xu, Y.P..,Zhang, J..,Yang, Y.J..,...&Lu, F.J..(2020).Geant4 simulation for the responses to X-rays and charged particles through the eXTP focusing mirrors.Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment,963.
MLA	Qi, L.Q.,et al."Geant4 simulation for the responses to X-rays and charged particles through the eXTP focusing mirrors".Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 963(2020).

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