Bissaldi 2008 Fermi GBM的地面校准

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Title:		Ground-based calibration and characterization of the Fermi Gamma-Ray Burst Monitor Detectors
Authors:		Bissaldi, Elisabetta; von Kienlin, Andreas; Lichti, Giselher G.; Steinle, Helmut; Narayana Bhat, P.; Briggs, Michael S.; Fishman, Gerald J.; Hoover, Andrew S.; Kippen, R. Marc; Krumrey, Michael; Gerlach, Martin; Connaughton, Valerie; Diehl, Roland; Greiner, Jochen; van der Horst, Alexander J.; Kouveliotou, Chryssa; McBreen, Sheila; Meegan, Charles A.; Paciesas, William S.; Preece, Robert D.; Wilson-Hodge, Colleen A.
Publication:		eprint arXiv:0812.2908
Publication Date:		12/2008
Origin:		ARXIV
Keywords:		Astrophysics
Comment:		36 pages, 28 figures, accepted for publication in Experimental Astronomy; doi:10.1007/s10686-008-9135-4
Bibliographic Code:		2008arXiv0812.2908B

Abstract

One of the scientific objectives of NASA's Fermi Gamma-ray Space Telescope is the study of Gamma-Ray Bursts (GRBs). The Fermi Gamma-Ray Burst Monitor (GBM) was designed to detect and localize bursts for the Fermi mission. By means of an array of 12 NaI(Tl) (8 keV to 1 MeV) and two BGO (0.2 to 40 MeV) scintillation detectors, GBM extends the energy range (20 MeV to > 300 GeV) of Fermi's main instrument, the Large Area Telescope, into the traditional range of current GRB databases. The physical detector response of the GBM instrument to GRBs is determined with the help of Monte Carlo simulations, which are supported and verified by on-ground individual detector calibration measurements. We present the principal instrument properties, which have been determined as a function of energy and angle, including the channel-energy relation, the energy resolution, the effective area and the spatial homogeneity.

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