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.
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12 July 2007
THE FIRST GLAST SYMPOSIUM
5-8 February 2007
Stanford, California (US)
Citation
R. P. JohnsonLAT Tracker Team; The GLAST LAT Silicon Strip Tracker Converter. AIP Conf. Proc. 12 July 2007; 921 (1): 554–555. https://doi.org/10.1063/1.2757448
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