The hard X-ray polarimeter X-Calibur

  • M. Beilicke
  • , M. G. Baring
  • , S. Barthelmy
  • , W. R. Binns
  • , J. Buckley
  • , R. Cowsik
  • , P. Dowkontt
  • , Q. Guo
  • , Y. Haba
  • , M. H. Israel
  • , H. Kunieda
  • , K. Lee
  • , J. Martin
  • , H. Matsumoto
  • , T. Miyazawa
  • , T. Okajima
  • , J. Schnittman
  • , K. Tamura
  • , J. Tueller
  • , H. Krawczynski

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

6 Scopus citations

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 In FOCμS grazing incidence hard X-ray telescope. X-Calibur combines a low-Z Compton scatterer with a CZT detector assembly to measure the polarization of 20-60keV 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 5-100keV regime. X-Calibur achieves a high detection efficiency of order unity.

Original languageEnglish
Title of host publicationHigh Energy Gamma-Ray Astronomy - 5th International Meeting on High Energy Gamma-Ray Astronomy
Pages805-808
Number of pages4
DOIs
StatePublished - 2012
Event5th International Meeting on High Energy Gamma-Ray Astronomy - Heidelberg, Germany
Duration: Jul 9 2012Jul 13 2012

Publication series

NameAIP Conference Proceedings
Volume1505
ISSN (Print)0094-243X
ISSN (Electronic)1551-7616

Conference

Conference5th International Meeting on High Energy Gamma-Ray Astronomy
Country/TerritoryGermany
CityHeidelberg
Period07/9/1207/13/12

Keywords

  • Black hole
  • InFOCuS
  • Polarization
  • X-Calibur
  • X-rays

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