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Proceedings Paper

On-ground calibration of AGILE-GRID with a photon beam: results and lessons for the future
Author(s): P. W. Cattaneo; A. Rappoldi; A. Argan; B. Buonomo; A. Bulgarelli; A. W. Chen; F. D'Ammando; L. Foggetta; F. Fuschino; M. Galli; F. Gianotti; A. Giuliani; F. Longo; M. Marisaldi; G. Mazzitelli; A. Pellizzoni; M. Prest; G. Pucella; L. Quintieri; M. Tavani; M. Trifoglio; A. Trois; P. Valente; E. Vallazza; S. Vercellone; G. Barbiellini; P. Caraveo; E. Costa; G. De Paris; E. Del Monte; G. Di Cocco; I. Donnarumma; Y. Evangelista; A. Ferrari; M. Feroci; M. Fiorini; M. Giusti; C. Labanti; I. Lapshov; F. Lazzarotto; P. Lipari; F. Lucarelli; S. Mereghetti; E. Morelli; E. Moretti; A. Morselli; L. Pacciani; F. Perotti; G. Piano; P. Picozza; M. Pilia; M. Rapisarda; A. Rubini; S. Sabatini; P. Soffitta; E. Striani; V. Vittorini; D. Zanello; S. Colafrancesco; P. Giommi; C. Pittori; P. Santolamazza; F. Verrecchia; L. Salotti
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Paper Abstract

At the core of the AGILE scientific instrument, designed to operate on a satellite, there is the Gamma Ray Imaging Detector (GRID) consisting of a Silicon Tracker (ST), a Cesium Iodide Mini-Calorimeter and an Anti-Coincidence system of plastic scintillator bars. The ST needs an on-ground calibration with a γ-ray beam to validate the simulation used to calculate the energy response function and the effective area versus the energy and the direction of the γ rays. A tagged γ-ray beam line was designed at the Beam Test Facility (BTF) of the INFN Laboratori Nazionali of Frascati (LNF), based on an electron beam generating γ rays through bremsstrahlung in a position-sensitive target. The γ-ray energy is deduced by the difference with the post-bremsstrahlung electron energy1-.2 The electron energy is measured by a spectrometer consisting of a dipole magnet and an array of position sensitive silicon strip detectors, the Photon Tagging System (PTS). The use of the combined BTF-PTS system as tagged photon beam requires understanding the efficiency of γ-ray tagging, the probability of fake tagging, the energy resolution and the relation of the PTS hit position versus the γ-ray energy. This paper describes this study comparing data taken during the AGILE calibration occurred in 2005 with simulation.

Paper Details

Date Published: 27 September 2012
PDF: 12 pages
Proc. SPIE 8443, Space Telescopes and Instrumentation 2012: Ultraviolet to Gamma Ray, 84434D (27 September 2012); doi: 10.1117/12.926445
Show Author Affiliations
P. W. Cattaneo, INAF Pavia (Italy)
A. Rappoldi, INAF Pavia (Italy)
A. Argan, INAF/IASF Roma (Italy)
B. Buonomo, INFN Lab. Frascati (Italy)
A. Bulgarelli, INAF/IASF Bologna (Italy)
A. W. Chen, INAF/IASF Milano (Italy)
F. D'Ammando, INAF/IASF-Bologna (Italy)
L. Foggetta, INFN Lab. Frascati (Italy)
F. Fuschino, INAF/IASF Bologna (Italy)
M. Galli, ENEA-Bologna (Italy)
F. Gianotti, INAF/IASF Bologna (Italy)
A. Giuliani, INAF/IASF-Milano (Italy)
F. Longo, Univ. degli Studi di Trieste (Italy)
M. Marisaldi, INAF/IASF Bologna (Italy)
G. Mazzitelli, INFN Lab. Frascati (Italy)
A. Pellizzoni, INAF, Osservatorio Astronomico di Cagliari (Italy)
M. Prest, Univ. degli Studi dell'Insubria (Italy)
G. Pucella, INAF/IASF Roma (Italy)
L. Quintieri, INFN Lab. Frascati (Italy)
M. Tavani, INAF/IASF Roma (Italy)
Univ. degli Studi di Tor Vergata (Italy)
M. Trifoglio, INAF/IASF Bologna (Italy)
A. Trois, INAF, Osservatorio Astronomico di Caligari (Italy)
P. Valente, INFN Lab. Frascati (Italy)
E. Vallazza, Univ. Trieste, INFN Trieste (Italy)
S. Vercellone, INAF/IASF Palermo (Italy)
G. Barbiellini, Univ. degli Studi di Trieste, IFN (Italy)
P. Caraveo, INAF/IASF Milano (Italy)
E. Costa, INAF/IASF Roma (Italy)
G. De Paris, INAF/IASF Roma (Italy)
E. Del Monte, INAF/IASF Roma (Italy)
G. Di Cocco, INAF/IASF Bologna (Italy)
I. Donnarumma, INAF/IASF Roma (Italy)
Y. Evangelista, INAF/IASF Roma (Italy)
A. Ferrari, Univ. degli Studi di Torino (Italy)
M. Feroci, INAF/IASF Roma (Italy)
M. Fiorini, INAF/IASF Milano (Italy)
M. Giusti, INAF/IASF Roma (Italy)
C. Labanti, INAF/IASF Bologna (Italy)
I. Lapshov, INAF/IASF Roma (Italy)
F. Lazzarotto, INAF/IASF Roma (Italy)
P. Lipari, INFN-Roma La Sapienza (Italy)
F. Lucarelli, ASI Science Data Ctr. (Italy)
S. Mereghetti, INAF/IASF Milano (Italy)
E. Morelli, INAF/IASF Bologna (Italy)
E. Moretti, Univ. Trieste and INFN Trieste (Italy)
A. Morselli, INFN Roma Tor Vergata (Italy)
L. Pacciani, INAF/IASF Roma (Italy)
F. Perotti, INAF/IASF Milano (Italy)
G. Piano, INAF/IASF Roma (Italy)
Univ. degli Studi di Roma Tor Vegata (Italy)
INFN (Italy)
P. Picozza, Univ. degli Studi di Roma Tor Vergata (Italy)
INFN (Italy)
M. Pilia, Univ. degli Studi dell'Insubria (Italy)
INAF, Osservatorio Astronomico di Cagliari (Italy)
M. Rapisarda, ENEA (Italy)
A. Rubini, INAF/IASF Roma (Italy)
S. Sabatini, INAF/IASF Roma (Italy)
P. Soffitta, INAF/IASF Roma (Italy)
E. Striani, INAF/IASF Roma (Italy)
V. Vittorini, INAF/IASF Roma (Italy)
Univ. degli Studi di Roma Tor Vergata (Italy)
D. Zanello, Univ. degli Studi di Roma La Sapienza (Italy)
S. Colafrancesco, INAF, Osservatorio Astronomico di Roma (Italy)
Univ. of the Witwatersrand (South Africa)
P. Giommi, ASI Science Data Ctr. (Italy)
C. Pittori, ASI Science Data Ctr. (Italy)
P. Santolamazza, ASI Science Data Ctr. (Italy)
F. Verrecchia, ASI Science Data Ctr. (Italy)
L. Salotti, Agenzia Spaziale Italiana (Italy)

Published in SPIE Proceedings Vol. 8443:
Space Telescopes and Instrumentation 2012: Ultraviolet to Gamma Ray
Tadayuki Takahashi; Stephen S. Murray; Jan-Willem A. den Herder, Editor(s)

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