24 July 2014 HARPO: a TPC as a gamma-ray telescope and polarimeter
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Abstract
A gas Time Projection Chamber can be used for gamma-ray astronomy with excellent angular-precision and sensitivity to faint sources, and for polarimetry, through the measurement of photon conversion to e+e pairs. We present the expected performance in simulations and the recent development of a demonstrator for tests in a polarized photon beam.
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Denis Bernard, Denis Bernard, Philippe Bruel, Philippe Bruel, Mickael Frotin, Mickael Frotin, Yannick Geerebaert, Yannick Geerebaert, Berrie Giebels, Berrie Giebels, Philippe Gros, Philippe Gros, Deirdre Horan, Deirdre Horan, Marc Louzir, Marc Louzir, Patrick Poilleux, Patrick Poilleux, Igor Semeniouk, Igor Semeniouk, Shaobo Wang, Shaobo Wang, Shebli Anvar, Shebli Anvar, David Attié, David Attié, Paul Colas, Paul Colas, Alain Delbart, Alain Delbart, Patrick Sizun, Patrick Sizun, Diego Götz, Diego Götz, } "HARPO: a TPC as a gamma-ray telescope and polarimeter", Proc. SPIE 9144, Space Telescopes and Instrumentation 2014: Ultraviolet to Gamma Ray, 91441M (24 July 2014); doi: 10.1117/12.2055307; https://doi.org/10.1117/12.2055307
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