Polarization measurements with an imaging gamma-ray telescope |
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| Authors: | A Akyüz D Bhattacharya D D Dixon T J O'Neill O T Tümer R S White A D Zych |
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| Institution: | (1) Institute of Geophysics and Planetary Physics, University of California, 92521 Riverside, CA, USA;(2) Present address: Cukurova University, Adana, Turkey;(3) Present address: Riverside Community College, Riverside, CA, USA |
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| Abstract: | The proposed Tracking and Imaging Gamma-Ray Experiment (TIGRE), operating in the 0.3–100 MeV energy interval, will be an efficient polarimeter with a modulation factor of  50% at 0.5 MeV. The polarization detection parameters of TIGRE were estimated using a Monte Carlo simulation modified to include the polarization dependence of the Klein-Nishina formula. Using Compton scattering of low energy photons and approximately 3 acceptance angle after scattering, TIGRE will be able to measure strong sources with 20% fractional polarization at 3  significance in a typical balloon-borne exposure and  5% during a 4-week satellite observation. |
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| Keywords: | Instrumentation gamma ray polarization |
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