The hard X-ray polarimeter X-Calibur

被引:5
|
作者
Beilicke, M. [1 ,2 ]
Baring, M. G. [3 ]
Barthelmy, S. [2 ,4 ]
Binns, W. R. [1 ,2 ]
Buckley, J. [1 ,2 ]
Cowsik, R. [1 ,2 ]
Dowkontt, P. [1 ,2 ]
Guo, Q. [1 ,2 ]
Haba, Y. [5 ]
Israel, M. H. [1 ,2 ]
Kunieda, H. [5 ]
Lee, K. [1 ,2 ]
Martin, J. [1 ]
Matsumoto, H. [5 ]
Miyazawa, T. [5 ]
Okajima, T. [4 ]
Schnittman, J. [4 ]
Tamura, K. [5 ]
Tueller, J. [4 ]
Krawczynski, H. [1 ,2 ]
机构
[1] Washington Univ, Dept Phys, St Louis, MO 63130 USA
[2] Washington Univ, McDonnell Ctr Space Sci, St Louis, MO 63130 USA
[3] Rice Univ, Houston, TX USA
[4] Goddard Space Flight Ctr, Greenbelt, MD USA
[5] Nagoya Univ, Nagoya, Aichi, Japan
来源
关键词
X-rays; polarization; black hole; InFOCuS; X-Calibur; EMISSION; CRAB;
D O I
10.1063/1.4772382
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
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 InFOC mu S 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.
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页码:805 / 808
页数:4
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