Hamburg 2016 – scientific programme

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T: Fachverband Teilchenphysik

T 78: Niederenergie-Neutrinophysik II

T 78.5: Talk

Wednesday, March 2, 2016, 17:45–18:00, VMP9 SR 07

Measurement of the Rayleigh scattering length in liquid scintillators for JUNO — •Paul Hackspacher for the JUNO collaboration — Johannes Gutenberg-Universität Mainz & PRISMA Excellence Cluster

In liquid scintillator neutrino detectors such as the upcoming Jiangmen Underground Neutrino Observatory (JUNO), neutrino interactions are being detected by means of inverse beta decay and analysis of the resulting luminescent light. In order to reliably reconstruct these events from photomultiplier signals, the scattering properties of the detector materials need to be sufficiently well known. In the LAB-based liquid scintillator that has been proposed for JUNO, the primary contribution to the scattering process comes from Rayleigh scattering. The characteristic Rayleigh scattering length can be experimentally obtained in an optical laboratory setup. This talk will present the approach, the current status and the future plans of the experiment.