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T: Fachverband Teilchenphysik
T 31: Scintillator Detectors I
T 31.7: Vortrag
Dienstag, 17. März 2026, 17:45–18:00, KH 01.014
Opaque Scintillators for Neutrino Physics — Christian Buck1, Benjamin Gramlich1, and •Stefan Schoppmann2 — 1Max-Planck-Institut für Kernphysik, Saupfercheckweg 1, 69117 Heidelberg, Germany — 2Johannes Gutenberg-Universität Mainz, Exzellenzcluster PRISMA+, Detektorlabor, Staudingerweg 9, 55128 Mainz, Germany
A new scintillator system was developed based on admixtures of wax in organic scintillators. The opacity and viscosity of this gel-like material can be tuned by temperature adjustment, wax concentration, and wax type. Whereas it is a colourless transparent liquid at high temperatures, it has a milky wax structure below.
Due to its light confinement, the scintillator system is expected to exhibit unprecedented particle ID via the morphology of energy depositions. Moreover, a high degree of isotope loading is feasible, e.g. in the context of searches for double beta decays or neutron capture.
In this presentation, the production and properties of various opaque scintillators as well as their advantages compared to transparent scintillators are described.
Keywords: Scintillator; Neutrino; Opaque; Particle ID; Scattering