Bonn 2010 – wissenschaftliches Programm

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EP: Fachverband Extraterrestrische Physik

EP 3: Poster

EP 3.16: Poster

Montag, 15. März 2010, 17:45–19:00, AKM Foyer

Characterization of inorganic scintillators for the HET/EPD instrument on board Solar Orbiter — •Cesar Martin, Shrinivasrao Kulkarni, Daniel Sommerfeld, Björn Schuster, Onno Kortmann, Stephan Böttcher, Robert F. Wimmer-Schweingruber, Lars Seimetz, Christiane Helmke, and Stefan Kolbe — Institut für Experimentelle und Angewandte Physik Christian-Albrecht-Universität zu Kiel, Kiel, Germany

Solar Orbiter is one of the ESA's missions planned for operating as close to the sun as 0.234 AU. The detection and characterization of the high-energy particles is one of the science requirements of the planned mission. We have designed a high-energy telescope (HET) with an inorganic scintillator crystal and semiconductor detectors. HET will detect and characterize electrons from 0.3 - 25 MeV, protons 10 - 100 MeV and heavy ions 50 - 200 MeV/n. The scintillator detector is the heart of the proposed design. Hence, characterization of the different scintillator materials is very important to select a suitable candidate for operating the instrument on the proposed orbit. Here, we will present studies performed on CsI(Tl), LaBr3, BGO and GSO including intrinsic radioactivity, quenching and temperature dependence of the light yield.

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DPG-Physik > DPG-Verhandlungen > 2010 > Bonn