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New Scintillators for Focal Plane Detectors in Gamma-Ray Missions |
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| Authors: | Ernst-Jan Buis Marco Beijersbergen Stefan Kraft Alan Owens Francesco Quarati Sytze Brandenburg Reint Ostendorf |
| Affiliation: | (1) Cosine Science & Computing BV, Niels Bohrweg 11, 2333, CA, Leiden, The Netherlands;(2) Cosine Research BV, Niels Bohrweg 11, 2333, CA, Leiden, The Netherlands;(3) Office of Advanced Concepts and Science Payloads, ESA/ESTEC Postbus 299, 2200, AG, Noordwijk, The Netherlands;(4) Kernfysische Versneller Instituut, Zernikelaan 25 9747 AA, Groningen, The Netherlands |
| Abstract: | Recent developments of cerium-doped lanthanum-halide scintillators like LaBr3:Ce show a remarkable performance in gamma-ray spectroscopy. When high energy resolution in combination with stopping power is required they provide excellent gamma-ray detector candidates for the use in space missions. Moreover, irradiation tests have shown that such detectors are radiation tolerant. In this paper we discuss a possible application of LaBr in nuclear astrophysics missions. We show results on recent proton irradiation tests at KVI in Groningen (NL) and discuss the damage and activation effects after irradiation. A possible implementation for a focal plane detector in a gamma-ray telescope and the expected performance is presented. |
| Keywords: | nuclear astrophysics scintillators LaBr gamma-ray spectroscopy |
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