The GLAST LAT Silicon Strip Tracker Converter

Journal Article · Thu Jul 12 00:00:00 EDT 2007 · AIP Conference Proceedings

DOI:https://doi.org/10.1063/1.2757448· OSTI ID:21067311

Johnson, R P ^[1]

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1. Physics Department, University of California at Santa Cruz, 1156 High St., Santa Cruz, CA 95064 (United States)

The Tracker subsystem of the Large Area Telescope (LAT) science instrument of the Gamma-ray Large Area Space Telescope (GLAST) mission has been completed and tested. It is the central detector subsystem of the LAT and serves both to convert an incident gamma-ray into an electron-positron pair and to track the pair in order to measure the gamma-ray direction. It also provides the principal trigger for the LAT. The Tracker uses silicon strip detectors, read out by custom electronics, to detect charged particles. The detectors and electronics are packaged, along with tungsten converter foils, in 16 modular, high-precision carbon-composite structures. The test program has demonstrated that the system meets or surpasses all of its performance specifications as well as environmental requirements.

• OSTI ID: 21067311
• Journal Information: AIP Conference Proceedings, Vol. 921, Issue 1; Conference: 1. GLAST symposium, Stanford, CA (United States), 5-8 Feb 2007; Other Information: DOI: 10.1063/1.2757448; (c) 2007 American Institute of Physics; Country of input: International Atomic Energy Agency (IAEA). Collaboration: LAT Tracker Team; ISSN 0094-243X
• Country of Publication: United States
• Language: English

Related Subjects

46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
ACCURACY
CARBON
CHARGED PARTICLES
COSMIC GAMMA SOURCES
COSMIC PHOTONS
ELECTRONS
FOILS
GAMMA DETECTION
GAMMA RADIATION
PAIR PRODUCTION
PARTICLE IDENTIFICATION
PARTICLE TRACKS
PERFORMANCE
POSITRONS
READOUT SYSTEMS
SI MICROSTRIP DETECTORS
TUNGSTEN