A fine-grained silicon detector for high-energy gamma-ray astrophysics

Barbiellini, G. and Boezio, M. and Candusso, M. and Casolino, M. and De Pascale, M. P. and Fuglesang, C. and Galper, A. M. and Moiseev, A. and Morselli, A. and Ozerov, Yu. V. and Picozza, P. and Popov, A. V. and Ricci, M. and Sparvoli, R. and Spillantini, P. and Vacchi, A. and Voronov, S. A. and Zemskov, V. M. and Zverev, V. G. (1997) A fine-grained silicon detector for high-energy gamma-ray astrophysics. Il nuovo cimento C, 20 C (5). pp. 775-782. ISSN 1826-9885

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We propose a silicon telescope to be placed in a satellite for the search of g-ray sources in the energy range between 25 MeV and 100 GeV. The proposed experiment will have an area of 2500 cm2, an energy resolution ranging from 7% to 8% and an angular resolution from 0.2 and 0.1 degrees between 1 GeV and 10 GeV. The telescope is based on the use of silicon strip detectors. Together with the energy measurement, a calorimeter of this type allows the determination of the particle type and its arrival direction, through the analysis of the spatial and energetic distribution of the electromagnetic shower produced. Detectors based on silicon technology have many advantages for space applications: no gas refilling system or high voltages, no need of photomultipliers (low consumption), short dead time, possibility of selftriggering. The GILDA project has been designed having in mind the weight limitation of 400 kg required by the Resource-01 satellite and it is carried out in the framework of the RIM (Russian Italian Mission) program. The launch is foreseen for the beginning of the next century.

Item Type: Article
Additional Information: Paper presented at the VII Cosmic Physics National Conference, Rimini, October 26-28, 1994.
Uncontrolled Keywords: Cosmic rays; astronomical and space-research instrumentation; conference proceedings
Subjects: 500 Scienze naturali e Matematica > 530 Fisica
500 Scienze naturali e Matematica > 550 Scienze della Terra > 551 Geologia, Idrologia, Meteorologia > 551.5 Meteorologia (Classificare qui l'atmosfera) (Classificare la previsione e le previsioni di specifici fenomeni meteorologici in 551.64; classificare la Micrometeorologia in 551.66) > 551.52 Termodinamica, interazioni atmosferiche con la superficie terrestre, temperature, radiazioni > 551.527 Radiazioni (per fenomeni ottici, vedi 551.565) > 551.5276 Radiazioni cosmiche (Include il rumore cosmico) (Classificare qui i raggi cosmici)
Depositing User: Marina Spanti
Date Deposited: 08 Feb 2018 11:23
Last Modified: 08 Feb 2018 11:23
URI: http://eprints.bice.rm.cnr.it/id/eprint/12369

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