Design and tests of the hard X-ray polarimeter X-Calibur

  • Matthias Beilicke
  • , R. Cowsik
  • , P. Dowkontt
  • , Q. Guo
  • , F. Kislat
  • , H. Krawczynski
  • , S. Barthelmy
  • , T. Okajima
  • , J. W. Mitchell
  • , J. Schnittman
  • , B. Zeiger
  • , G. De Geronimo
  • , M. G. Baring
  • , A. Bodaghee
  • , T. Miyazawa

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

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 balloon-borne InFOCuS 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. The X-Calibur detector assembly is completed, tested, and calibrated; a first flight is scheduled from Ft. Sumner, NM, in fall 2014. 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.

Original languageEnglish
Title of host publication2014 IEEE Aerospace Conference
PublisherIEEE Computer Society
ISBN (Print)9781479916221
DOIs
StatePublished - 2014
Event2014 IEEE Aerospace Conference - Big Sky, MT, United States
Duration: Mar 1 2014Mar 8 2014

Publication series

NameIEEE Aerospace Conference Proceedings
ISSN (Print)1095-323X

Conference

Conference2014 IEEE Aerospace Conference
Country/TerritoryUnited States
CityBig Sky, MT
Period03/1/1403/8/14

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