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Proceedings Paper

Design and tests of the hard x-ray polarimeter X-Calibur
Author(s): M. G. Beilicke; M. Baring; S. Barthelmy; W. R. Binns; J. Buckley; R. Cowsik; P. Dowkontt; A. Garson; Q. Guo; Y. Haba; M. H. Israel; F. Kislat; H. Kunieda; K. Lee; J. Martin; H. Matsumoto; T. Miyazawa; T. Okajima; J. Schnittman; K. Tamura; J. Tueller; H. Krawczynski
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Paper Abstract

X-ray polarimetry promises to give qualitatively new information about high-energy astrophysical sources, such as binary black hole systems, micro-quasars, active galactic nuclei, and gamma-ray bursts. We designed, built and tested a hard X-ray polarimeter, X-Calibur, to be used in the focal plane of the InFOCμS grazing incidence hard X-ray telescope. X-Calibur combines a low-Z Compton scatterer with a CZT detector assembly to measure the polarization of 20−60 keV X-rays making use of the fact that polarized photons Compton scatter preferentially perpendicular to the electric field orientation; in principal, a similar space-borne experiment could be operated in the 5 − 100 keV regime. X-Calibur achieves a high detection efficiency of order unity.

Paper Details

Date Published: 24 October 2012
PDF: 11 pages
Proc. SPIE 8507, Hard X-Ray, Gamma-Ray, and Neutron Detector Physics XIV, 85071D (24 October 2012); doi: 10.1117/12.929292
Show Author Affiliations
M. G. Beilicke, Washington Univ. in St. Louis (United States)
M. Baring, Rice Univ. (United States)
S. Barthelmy, NASA Goddard Space Flight Ctr. (United States)
W. R. Binns, Washington Univ. in St. Louis (United States)
J. Buckley, Washington Univ. in St. Louis (United States)
R. Cowsik, Washington Univ. in St. Louis (United States)
P. Dowkontt, Washington Univ. in St. Louis (United States)
A. Garson, Washington Univ. in St. Louis (United States)
Q. Guo, Washington Univ. in St. Louis (United States)
Y. Haba, Nagoya Univ. (Japan)
M. H. Israel, Washington Univ. in St. Louis (United States)
F. Kislat, Washington Univ. in St. Louis (United States)
H. Kunieda, Nagoya Univ. (Japan)
K. Lee, Washington Univ. in St. Louis (United States)
J. Martin, Washington Univ. in St. Louis (United States)
H. Matsumoto, Nagoya Univ. (Japan)
T. Miyazawa, Nagoya Univ. (Japan)
T. Okajima, NASA Goddard Space Flight Ctr. (United States)
J. Schnittman, NASA Goddard Space Flight Ctr. (United States)
K. Tamura, Nagoya Univ. (Japan)
J. Tueller, NASA Goddard Space Flight Ctr. (United States)
H. Krawczynski, Washington Univ. in St. Louis (United States)


Published in SPIE Proceedings Vol. 8507:
Hard X-Ray, Gamma-Ray, and Neutron Detector Physics XIV
Ralph B. James; Arnold Burger; Larry A. Franks; Michael Fiederle, Editor(s)

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