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Proceedings Paper

Pre-flight calibration of the prototype Nuclear Compton Telescope
Author(s): Jason D. Bowen; Mark E. Bandstra; Steven E. Boggs; Wayne Coburn; Cornelia B. Wunderer; Robert P. Lin; Mark Amman; Paul N. Luke; Morgan T. Burks; William Craig; Norman W. Madden; David M. Smith; Peter von Ballmoos; Pierre Jean
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Paper Abstract

The Nuclear Compton Telescope (NCT) is a balloon-borne soft gamma-ray (0.2MeV-10MeV) telescope designed to study astrophysical sources of nuclear line emission and polarization. A prototype instrument was successfully launched from Ft. Sumner, NM on June 1, 2005. The NCT prototype consists of two 3D position sensitive High-Purity-Germanium (HPGe) strip detectors fabricated with amorphous Ge contacts. The novel ultra-compact design and new technologies allow NCT to achieve high efficiencies with excellent spectral resolution and background reduction. Energy and positioning calibration data was acquired pre-flight in Fort Sumner, NM after the full instrument integration. Here we discuss our calibration techniques and results, and detector efficiencies. Comparisons with simulations are presented as well.

Paper Details

Date Published: 13 June 2006
PDF: 13 pages
Proc. SPIE 6266, Space Telescopes and Instrumentation II: Ultraviolet to Gamma Ray, 626625 (13 June 2006); doi: 10.1117/12.672252
Show Author Affiliations
Jason D. Bowen, Univ. of California, Berkeley (United States)
Mark E. Bandstra, Univ. of California, Berkeley (United States)
Steven E. Boggs, Space Sciences Lab., Univ. of California, Berkeley (United States)
Univ. of California, Berekely (United States)
Wayne Coburn, Univ. of California, Berkeley (United States)
Cornelia B. Wunderer, Univ. of California, Berkeley (United States)
Robert P. Lin, Space Sciences Lab., Univ. of California, Berkeley (United States)
Mark Amman, Lawrence Berkeley National Lab. (United States)
Paul N. Luke, Lawrence Berkeley National Lab. (United States)
Morgan T. Burks, Lawrence Livermore National Lab. (United States)
William Craig, Lawrence Livermore National Lab. (United States)
Norman W. Madden, Lawrence Livermore National Lab. (United States)
David M. Smith, Univ. of California, Santa Cruz (United States)
Peter von Ballmoos, Ctr. d'Etude Spatiale des Rayonnements, CNRS (France)
Pierre Jean, Ctr. d'Etude Spatiale des Rayonnements, CNRS (France)


Published in SPIE Proceedings Vol. 6266:
Space Telescopes and Instrumentation II: Ultraviolet to Gamma Ray
Martin J. L. Turner; Günther Hasinger, Editor(s)

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