Simulation of a Xe-based X-ray Polarimeter at 10-30 keV

J. Zhang; X. Cai; Y. Huang; Q. Liu; F. Xie; J. Li; H. Liu

doi:10.1088/1748-0221/17/04/P04003

Simulation of a Xe-based X-ray Polarimeter at 10-30 keV

J. Zhang, X. Cai, Y. Huang^*, Q. Liu, F. Xie, J. Li, H. Liu^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

1 Citation (Scopus)

Abstract

Polarization detection of X-rays is a non-negligible topic to astrophysical observation. Many polarization detection methods have been well developed for X-rays in the energy range below 10 keV, while the detection at 10-30 keV is rarely discussed. This paper presents a simulation study of a Xe-based gas pixel detector, which can achieve the polarization detection of X-rays at 10-30 keV. To verify the emission angle distribution of photoelectrons, different electromagnetic models in Geant4 were investigated. After a necessary modification by considering the missing factor when sampling the emission angle, a good agreement can be achieved. Moreover, the detection capability of 20 keV polarized photons was discussed and the modulation factor of 43% could be obtained.

Original language	English
Article number	P04003
Journal	Journal of Instrumentation
Volume	17
Issue number	4
DOIs	https://doi.org/10.1088/1748-0221/17/04/P04003
Publication status	Published - 1 Apr 2022
Externally published	Yes

Keywords

Detector modelling and simulations I (interaction of radiation with matter, interaction of photons with matter, interaction of hadrons with matter, etc)
Polarimeters
Simulation methods and programs
X-ray detectors

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10.1088/1748-0221/17/04/P04003

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title = "Simulation of a Xe-based X-ray Polarimeter at 10-30 keV",

abstract = "Polarization detection of X-rays is a non-negligible topic to astrophysical observation. Many polarization detection methods have been well developed for X-rays in the energy range below 10 keV, while the detection at 10-30 keV is rarely discussed. This paper presents a simulation study of a Xe-based gas pixel detector, which can achieve the polarization detection of X-rays at 10-30 keV. To verify the emission angle distribution of photoelectrons, different electromagnetic models in Geant4 were investigated. After a necessary modification by considering the missing factor when sampling the emission angle, a good agreement can be achieved. Moreover, the detection capability of 20 keV polarized photons was discussed and the modulation factor of 43% could be obtained.",

keywords = "Detector modelling and simulations I (interaction of radiation with matter, interaction of photons with matter, interaction of hadrons with matter, etc), Polarimeters, Simulation methods and programs, X-ray detectors",

author = "J. Zhang and X. Cai and Y. Huang and Q. Liu and F. Xie and J. Li and H. Liu",

note = "Publisher Copyright: {\textcopyright} 2022 IOP Publishing Ltd and Sissa Medialab.",

year = "2022",

month = apr,

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doi = "10.1088/1748-0221/17/04/P04003",

language = "English",

volume = "17",

journal = "Journal of Instrumentation",

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TY - JOUR

T1 - Simulation of a Xe-based X-ray Polarimeter at 10-30 keV

AU - Zhang, J.

AU - Cai, X.

AU - Huang, Y.

AU - Liu, Q.

AU - Xie, F.

AU - Li, J.

AU - Liu, H.

PY - 2022/4/1

Y1 - 2022/4/1

N2 - Polarization detection of X-rays is a non-negligible topic to astrophysical observation. Many polarization detection methods have been well developed for X-rays in the energy range below 10 keV, while the detection at 10-30 keV is rarely discussed. This paper presents a simulation study of a Xe-based gas pixel detector, which can achieve the polarization detection of X-rays at 10-30 keV. To verify the emission angle distribution of photoelectrons, different electromagnetic models in Geant4 were investigated. After a necessary modification by considering the missing factor when sampling the emission angle, a good agreement can be achieved. Moreover, the detection capability of 20 keV polarized photons was discussed and the modulation factor of 43% could be obtained.

AB - Polarization detection of X-rays is a non-negligible topic to astrophysical observation. Many polarization detection methods have been well developed for X-rays in the energy range below 10 keV, while the detection at 10-30 keV is rarely discussed. This paper presents a simulation study of a Xe-based gas pixel detector, which can achieve the polarization detection of X-rays at 10-30 keV. To verify the emission angle distribution of photoelectrons, different electromagnetic models in Geant4 were investigated. After a necessary modification by considering the missing factor when sampling the emission angle, a good agreement can be achieved. Moreover, the detection capability of 20 keV polarized photons was discussed and the modulation factor of 43% could be obtained.

KW - Detector modelling and simulations I (interaction of radiation with matter, interaction of photons with matter, interaction of hadrons with matter, etc)

KW - Polarimeters

KW - Simulation methods and programs

KW - X-ray detectors

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DO - 10.1088/1748-0221/17/04/P04003

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VL - 17

JO - Journal of Instrumentation

JF - Journal of Instrumentation

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Simulation of a Xe-based X-ray Polarimeter at 10-30 keV

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Keywords

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