A Comprehensive Analysis of Polarized $\gamma $ -ray Beam Data with the HARPO Demonstrator
- Yonamine, R.
- Amano, S.
- Attié, D.
- Baron, P.
- Baudin, D.
- Bernard , D.
- Bruel, P.
- Calvet, D.
- Colas, P.
- Daté, S.
- Delbart, A.
- Frotin, M.
- Geerebaert, Y.
- Giebels, B.
- Götz, D.
- Gros, P.
- Hashimoto, S.
- Horan, D.
- Kotaka, T.
- Louzir, M.
- Minamiyama, Y.
- Miyamoto, S.
- Ohkuma, H.
- Poilleux, P.
- Semeniouk, I.
- Sizun, P.
- Takemoto, A.
- Yamaguchi, M.
- Wang, S.
Publication date
May 2017
DOI Publisher
Springer Science and Business Media LLCAbstract
International audienceWe investigate the feasibility of gaseous TPC as a telescope and a polarimeter for cosmic gamma-rays, focussing on the energy range from 1 to 100 MeV. Our beam results show the angular resolution can reach a factor of 2 better than that of the Fermi LAT. We also demonstrate polarimetry with a high significance and an excellent dilution factor, for the first time above the pair production threshold and below 1 GeV
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