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Proceedings Paper

Progress on the Scintillation Imaging Gas-filled Hard X-ray Telescope (SIGHT)
Author(s): Timothy K. Edberg; Steven E. Boggs; Ann M. Parsons; Bernard Sadoulet; Paul Shestople; R. Therrien; Shimon Weiss; Jeff Wilkerson; Garth Smith
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Paper Abstract

We are building a new type of hard X-ray detector (35-300 keV) for astronomical observations, a high pressure (20 atmospheres) imaging xenon gas scintillation drift chamber. This detector combines the concepts of the gas scintillation chamber and the time projection chamber, utilizing waveshifting fibers to read out the scintillation light. This detector will be the focal plane instrument of the Scintillation Imaging Gas-filled Hard X- ray Telescope (SIGHT), a balloon-borne instrument which promises to combine high sensitivity (2.2 x 10-5 (gamma /cm2sec for narrow lines and 4 x 10-6 (gamma /cm2sec/keV continuum at 70 keV), very good energy resolution (2.6% FWHM 122 keV), and outstanding imaging (1.5 arcminute map pixels). We summarize the capabilities of SIGHT and present recent technical innovations and construction status of the detector.

Paper Details

Date Published: 16 September 1994
PDF: 12 pages
Proc. SPIE 2280, EUV, X-Ray, and Gamma-Ray Instrumentation for Astronomy V, (16 September 1994); doi: 10.1117/12.186827
Show Author Affiliations
Timothy K. Edberg, Univ. of California/Berkeley (United States)
Steven E. Boggs, Univ. of California/Berkeley (United States)
Ann M. Parsons, Univ. of California/Berkeley (United States)
Bernard Sadoulet, Univ. of California/Berkeley (United States)
Paul Shestople, Univ. of California/Berkeley (United States)
R. Therrien, Univ. of California/Berkeley (United States)
Shimon Weiss, Univ. of California/Berkeley (United States)
Jeff Wilkerson, Univ. of California/Berkeley (United States)
Garth Smith, Lawrence Berkeley Lab. (United States)

Published in SPIE Proceedings Vol. 2280:
EUV, X-Ray, and Gamma-Ray Instrumentation for Astronomy V
Oswald H. W. Siegmund; John V. Vallerga, Editor(s)

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