paper

Design and construction of the Mini-Calorimeter of the AGILE satellite

arXiv:0810.1842 · doi:10.1016/j.nima.2008.09.021

Abstract

AGILE is a small space mission of the Italian Space Agency (ASI) devoted to gamma-ray and hard-X astrophysics, successfully launched on April 23 2007. The AGILE Payload is composed of three instruments: a gamma-ray imager based on a tungsten-silicon tracker (ST), for observations in the gamma ray energy range 30MeV - 50GeV, a Silicon based X-ray detector, SuperAGILE (SA), for imaging in the range 18keV - 60keV and a CsI(Tl) Mini-Calorimeter (MCAL) that detects gamma rays or charged particles energy loss in the range 300keV - 100MeV. MCAL is composed of 30 CsI(Tl) scintillator bars with photodiode readout at both ends, arranged in two orthogonal layers. MCAL can work both as a slave of the ST and as an independent gamma-ray detector for transients and gamma-ray bursts detection. In this paper a detailed description of MCAL is presented together with its performance.

arXiv comment36 pages, 15 figures, 2 tables, accepted for publication in Nucl. Instr. and Meth. A

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