Münster 2017 – scientific programme
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T: Fachverband Teilchenphysik
T 112: Experimentelle Techniken der Astroteilchenphysik 6
T 112.5: Talk
Thursday, March 30, 2017, 17:45–18:00, S 9
Radon Monitoring in gaseous Nitrogen used for the Filling of the Central Detector of JUNO — •Philipp Landgraf, Hans Steiger, Lothar Oberauer, Sabrina Prummer, Mario Schwarz, Andreas Ulrich, and Julia Sawatzki — Technische Universität München, Physik Department, Lehrstuhl für experimentelle Astroteilchenphysik, James-Franck-Str. 1, 85748 Garching bei München
The planned JUNO (Jinangmen Underground Neutrino Observatory) Detector will use 20 kt of liquid scintillator (LS) based on LAB (Linear AlkylBenzene) as neutrino target within an acrylic sphere with a diameter of 35.4 m. For the filling of this sphere with LS pressurized gaseous nitrogen will be used. To avoid a contamination of the LS with 222Rn, it’s content in the nitrogen gas will be monitored. In this talk the status of a prototype radon monitoring system based on a proportional chamber developed at Technische Universität München is presented. This work is supported by the DFG Cluster of Excellence "Origin and Structure of the Universe", the DFG research unit "JUNO" and the Maier-Leibniz-Laboratorium.