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T: Fachverband Teilchenphysik
T 44: Neutrino physics without accelerators V
T 44.2: Talk
Tuesday, March 16, 2021, 16:20–16:35, Ts
Relative Light Yield Determination for the Future Neutrino Experiments JUNO and THEIA — •David Dörflinger1, Lothar Oberauer1, Hans Steiger1,2, Raphael Stock1, Konstantin Schweizer1, Ulrike Fahrendholz1, Stefan Schoppmann3, Ludwig Wallner1, Matthias Mayer1, Sebastian Zwickel1, and Andreas Steiger1 — 1Technische Universität München (TUM), Physik-Department, James-Franck-Straße 1, 85748 Garching bei München — 2Institute of Physics and Excellence Cluster PRISMA+, Johannes Gutenberg-Universität (JGU) Mainz, Staudingerweg 9, 55099 Mainz — 3University of California, Department of Physics, Berkeley, CA 94720-7300, USA and Lawrence Berkeley National Laboratory, Berkeley, CA 94720-8153, USA
The Jiangmen Underground Neutrino Observatory (JUNO) aims to detect neutrinos using 20 kton of organic liquid scintillator (LS) based on LAB (Linear AlkylBenzene). The THEIA experiment, which is currently being designed, has similar scientific goals but will additionally measure long baseline neutrinos. Therefore, it will take a different approach on the detector design and is expected to use 100 kt of a water based liquid scintillator (WbLS). Still, in order to understand the detector response, a precise knowledge of the used liquid scintillator’s light yield is needed. In this talk a way to measure the relative light yield of a given LS sample will be presented. This work is supported by the Bundesministerium für Bildung und Forschung (BMBF) for THEIA (Verbundprojekt 05H2018: R&D Detectors and Scintillators) and the DFG Research Unit JUNO (FOR2319).