Heidelberg 2015 – wissenschaftliches Programm
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HK: Fachverband Physik der Hadronen und Kerne
HK 70: Instrumentation 20
HK 70.5: Vortrag
Freitag, 27. März 2015, 15:45–16:00, M/HS2
Measuring the attenuation length in liquid scintillators — •Dominikus Hellgartner1, Lothar Oberauer1, Sabrina Prummer1, Julia Sawatzki1, Andreas Ulrich2, and Vincenz Zimmer1 — 1Technische Universität München, Physik Departement E15, James Franck Straße, 85748 Garching — 2Technische Universität München, Physik Departement E12, James Franck Straße, 85748 Garching
The next generation of liquid scintillator detectors like the proposed LENA detector or the planned JUNO detector will feature diameters of order 30 m. Due to this vast size, the optical quality of the scintillator is of crucial importance.
To determine the attenuation length of liquid scintillators, an experiment with a 5 m long measurement section was set-up in the underground laboratory in Garching. The current set-up of the experiment will be presented along with a discussion of the results of the first measurements. Additionally, there will be an outlook towards possible upgrades of the experiment in the future.