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EP: Fachverband Extraterrestrische Physik

EP 9: Poster

EP 9.15: Poster

Donnerstag, 21. März 2019, 16:30–19:00, Durchgangshalle

Thermal Atmospheric Neutron Observation System Junior Calibration — •Patrick Pohland, Friederike Schattke, Marc Hansen, Jonas Zumkeller, Lisa Romaneehsen, Robert Wimmer-Schweingruber, and Bernd Heber — Christian-Albrechts- Universität zu Kiel, Institut für Experimentelle und Angewandte Physik, Abteilung Extraterrestrische Physik, Deutschland

The main objective of the Thermal Atmospheric Neutron Observation System (TANOS) is to measure the flux of thermal neutrons in the stratosphere. In order to measure these low energy neutrons we make use of the conversion electrons resulting through thermal neutron capture in gadolinium. Gadolinium is particularly suitable for the experiment due to its high cross section of 49000 barn. An essential part of the project is the calibration of the instrument for which a ²⁰⁷Bi probe was used. In this talk I am going to present the calibration and its results.