Performance of the PRAXyS X-ray polarimeter

W.B Iwakiri; J.K Black; R Cole; T Enoto; A Hayato; J.E Hill; K Jahoda; P Kaaret; T Kitaguchi; M Kubota; H Marlowe; R McCurdy; Y Takeuchi; T Tamagawa

doi:10.1016/j.nima.2016.09.024

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Performance of the PRAXyS X-ray polarimeter

Journal article

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Performance of the PRAXyS X-ray polarimeter

W.B Iwakiri, J.K Black, R Cole, T Enoto, A Hayato, J.E Hill, K Jahoda, P Kaaret, T Kitaguchi, M Kubota, …

Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment, Vol.838, pp.89-95

12/01/2016

DOI: 10.1016/j.nima.2016.09.024

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Abstract

The performance of the Time Projection Chamber (TPC) polarimeter for the Polarimeter for Relativistic Astrophysical X-ray Sources (PRAXyS) Small Explorer was evaluated using polarized and unpolarized X-ray sources. The PRAXyS mission will enable exploration of the universe through X-ray polarimetry in the 2–10keV energy band. We carried out performance tests of the polarimeter at the Brookhaven National Laboratory, National Synchrotron Light Source (BNL-NSLS) and at NASA's Goddard Space Flight Center. The polarimeter was tested with linearly polarized, monochromatic X-rays at 11 different energies between 2.5 and 8.0keV. At maximum sensitivity, the measured modulation factors at 2.7, 4.5 and 8.0keV are 27%, 43% and 59%, respectively and the measured angle of polarization is consistent with the expected value at all energies. Measurements with a broadband, unpolarized X-ray source placed a limit of less than 1% on false polarization in the PRAXyS polarimeter.

Micropattern gas detector

PRAXyS

X-ray polarimeter

Details

Title: Subtitle: Performance of the PRAXyS X-ray polarimeter
Creators: W.B Iwakiri - RIKEN Nishina Center
J.K Black - Goddard Space Flight Center
R Cole - Goddard Space Flight Center
T Enoto - Kyoto University
A Hayato - RIKEN Nishina Center
J.E Hill - Goddard Space Flight Center
K Jahoda - Goddard Space Flight Center
P Kaaret - University of Iowa
T Kitaguchi - Hiroshima University
M Kubota - Tokyo University of Science
H Marlowe - University of Iowa
R McCurdy - University of Iowa
Y Takeuchi - Tokyo University of Science
T Tamagawa - Tokyo University of Science
Resource Type: Journal article
Publication Details: Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment, Vol.838, pp.89-95
DOI: 10.1016/j.nima.2016.09.024
ISSN: 0168-9002
eISSN: 1872-9576
Publisher: Elsevier B.V
Grant note: name: NASA Astrophysics Research and Analysis Solicitation; name: NNH13ZDA001N-APRA, MEXT KAKENHI, award: JP24105007; name: JSPS KAKENHI, award: JP16H02198; name: JSPS KAKENHI, award: 25-5312
Language: English
Date published: 12/01/2016
Academic Unit: Physics and Astronomy
Record Identifier: 9984199942602771

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