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Silicon Photo-Multiplier Readouts for Scintillators in High-Energy AstronomyNew scintillator materials have recently been shown to hold great potential for low-cost, reliable gamma-ray detectors in high-energy astronomy. New devices for the detection of scintillation light promise to make scintillator-based instruments even more attractive by reducing mass and power requirements,in particular, silicon photo-multipliers (SiPMs) are starting to become commercially available that offer gains and quantum efficiencies similar to those of photo-multiplier tubes (PMTs), but with greatly reduced mass, high ruggedness, low voltage requirements, and no sensitivity to magnetic fields. We have conducted laboratory tests of a sample of commercially available SiPMs coupled to LaBr3;Ce, a scintillator of relevance to to future high-energy astrophysics missions. We present results for gamma-ray spectroscopy. compare the SiPM performance to that of a PMT, and discuss the extent to which SiPMs offer significant advantages for scintillator-based space missions.
Document ID
20100023345
Acquisition Source
Goddard Space Flight Center
Document Type
Conference Paper
Authors
Bloser, Peter F.
(New Hampshire Univ. Durham, NH, United States)
Legere, Jason S.
(New Hampshire Univ. Durham, NH, United States)
Bancroft, Christopher M.
(New Hampshire Univ. Durham, NH, United States)
McConnell, Mark L.
(New Hampshire Univ. Durham, NH, United States)
Ryan, James M.
(New Hampshire Univ. Durham, NH, United States)
Date Acquired
August 24, 2013
Publication Date
January 1, 2008
Publication Information
Publication: 2008 IEEE Nuclear Science Symposium Conference Record
Publisher: Institute of Electrical and Electronics Engineers
ISBN: 978-1-4244-2715
Subject Category
Astrophysics
Funding Number(s)
CONTRACT_GRANT: NNX08AK47G
Distribution Limits
Public
Copyright
Other

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