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Proceedings Paper

Hard x-ray polarimetry with HX-POL
Author(s): Alfred B. Garson; Kuen Lee; Jerrad Martin; Matthias Beilicke; Eric Wulf; Elena Novikova; Henric S. Krawczynski
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Paper Abstract

X-ray polarimetry offers a unique vantage to investigate particle acceleration from compact objects and relativistic outflows. The HX-POL concept uses a combination of Si and Cadmium Zinc Telluride (CZT) detectors to measure the polarization of 50 keV - 500 keV X-rays from cosmic sources through the azimuthal distribution of Compton scattered events. HX-POL would allow us to measure the polarization degrees of Crab-like sources well below 10% for a one day balloon flight. A longer (15-30 day) flight would improve the polarization degree sensitivity to a few percent. In this contribution, we discuss the sensitivity of a space-borne HX-POL payload, and present new results from laboratory tests of the HX-POL Si and CZT detectors.

Paper Details

Date Published: 29 July 2010
PDF: 9 pages
Proc. SPIE 7732, Space Telescopes and Instrumentation 2010: Ultraviolet to Gamma Ray, 77320G (29 July 2010); doi: 10.1117/12.856834
Show Author Affiliations
Alfred B. Garson, Washington Univ. in St. Louis and the McDonnell Ctr. for Space Sciences (United States)
Kuen Lee, Washington Univ. in St. Louis and the McDonnell Ctr. for Space Sciences (United States)
Jerrad Martin, Washington Univ. in St. Louis and the McDonnell Ctr. for Space Sciences (United States)
Matthias Beilicke, Washington Univ. in St. Louis and the McDonnell Ctr. for Space Sciences (United States)
Eric Wulf, U.S. Naval Research Lab. (United States)
Elena Novikova, U.S. Naval Research Lab. (United States)
Henric S. Krawczynski, Washington Univ. in St. Louis and the McDonnell Ctr. for Space Sciences (United States)


Published in SPIE Proceedings Vol. 7732:
Space Telescopes and Instrumentation 2010: Ultraviolet to Gamma Ray
Monique Arnaud; Stephen S. Murray; Tadayuki Takahashi, Editor(s)

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