Results from the SIFTER (Scintillating Fiber Telescope forEnergetic Radiation) beam test apparatus |
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| Authors: | Kippen RM Mallozzi RS Rielage K Pendleton GN Christl MJ Hink PL Binns WR Dowkonti P Epstein JW Fishman GJ Parnell TA Wilson RB Richardson GA Buckley JH Israel MH Koshut TM |
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| Affiliation: | Alabama Univ., Huntsville, AL; |
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| Abstract: | The Scintillating Fiber Telescope for Energetic Radiation (SIFTER) is a large-area instrument concept for high-energy (E>10 MeV) gamma-ray astronomy. It takes advantage of the technology of fine (~1 mm 2) plastic scintillating fibers in the context of a pair tracker/calorimeter telescope. In our on-going SIFTER research, we have developed a small test apparatus, consisting of 12 fiber planes, each with a potential active area of 10 cm×10 cm covered with a thin tantalum foil converter. This apparatus was tested in July, 1998 with high-energy photons (~0.5-1.6 GeV) at the Thomas Jefferson National Accelerator Laboratory Hall B tagged gamma-ray facility. We report on results of the beam test, concentrating on comparisons with detailed Monte Carlo simulations of the instrument performance, including track reconstruction, angular resolution and detection efficiency |
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