The next generation of high-energy gamma-ray detectors for satellites: The AGILE silicon tracker

Details The next generation of high-energy gamma-ray detectors for satellites: The AGILE silicon tracker The next generation of high-energy gamma-ray detectors for satellites: The AGILE silicon tracker

Oct 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001aipc..587..754b&link_type=abstract

GAMMA 2001: Gamma-Ray Astrophysics 2001. AIP Conference Proceedings, Volume 587, pp. 754-758 (2001).

Astronomy and Astrophysics

Astrophysics

16

Spaceborne And Space Research Instruments, Apparatus, And Components, Gamma-Ray Sources, Gamma-Ray Bursts, Charge-Coupled Devices, Image Detectors, And Ir Detector Arrays, Calorimeters

Scientific paper

AGILE (Light Imaging Detector for Gamma Astronomy) is a satellite for the detection of gamma-ray sources in the energy range 30 MeV-50 GeV within a large field of view (~1/5 of the sky) and it is planned to fly in the years 2003-2006, a period in which no other mission entirely dedicated to photon detection above 30 MeV is planned. AGILE is made of a Tungsten-Silicon Tracker, a CsI Minicalorimeter, an anticoincidence system and a X-ray detector sensitive in the 10-40 keV range. The Tracker consists of 14 planes, each one made of 2 layers of 16 single-sided, AC coupled, 410 μm thick, 9.5×9.5 cm2 Silicon detectors with a readout pitch of 242 μm and a floating strip. The AGILE trigger is generated by the Silicon strips which are readout by the TAAI, a low noise, self triggering ASIC used in a very low power configuration (~400 μW/channel) with analog readout. The number of Tracker readout channels is 43000. We present a description of the Tracker and the performance of the detector (position resolution, cluster pulse height, readout and trigger logic) obtained during three testbeam periods at CERN. .

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