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Proceedings Paper

GLAST LAT silicon tracker
Author(s): Robert P. Johnson
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Paper Abstract

The Large Area Telescope (LAT) on the Gamma-ray Large-Area Space Telescope (GLAST) mission is designed to provide unprecedented sensitivity in the exploration of the gamma-ray sky. Gamma rays with energy above 10 MeV are detected via the pair conversion process, using a precision silicon tracker-converter and a hodoscopic CsI calorimeter. Charged cosmic rays are rejected by a tiled plastic-scintillator anti-coincidence detector. We report here on the design, prototyping, testing and expected performance of the silicon tracker-converter, which will be the largest silicon detector system in space after the GLAST launch in 2006. Specifically, we discuss the electronics system, the mechanical system, results from beam tests and a balloon flight, assembly procedures and prototyping experience, and expected performance of the tracker-converter.

Paper Details

Date Published: 10 January 2003
PDF: 11 pages
Proc. SPIE 4784, X-Ray and Gamma-Ray Detectors and Applications IV, (10 January 2003); doi: 10.1117/12.455984
Show Author Affiliations
Robert P. Johnson, Univ. of California/Santa Cruz (United States)


Published in SPIE Proceedings Vol. 4784:
X-Ray and Gamma-Ray Detectors and Applications IV
Ralph B. James; Larry A. Franks; Arnold Burger; Edwin M. Westbrook; Roger D. Durst; Edwin M. Westbrook; Roger D. Durst, Editor(s)

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