Karlsruhe 2024 – scientific programme
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T: Fachverband Teilchenphysik
T 33: Neutrino physics 4
T 33.6: Talk
Tuesday, March 5, 2024, 17:15–17:30, Geb. 30.21: Gerthsen-HS
Development of 3D-printable Plastic Scintillators — •Tobias Woell1 and Daniel Muenstermann1,2 — 1Hochschule RheinMain, FB ING, Wiesbaden — 2Lancaster University, Physics Department, Lancaster, UK
3D-printing has many benefits and allows to create complex-shaped objects without the need for machining. In low-background experiments (e.g. LEGEND), radiopure scintillators are required, and machining potentially introduces additional contamination. SLA/DLP is a 3D-printing process that uses liquid reactants which could be (radio-)purified by various methods if necessary while classical plastic scintillators produced by casting or injection moulding usually require machining to match the required shapes. However, since the synthesis of polymers in SLA/DLP differs from the classical methods, the properties of the printed pieces may also be different and need to be assessed.
The presentation outlines the properties needed to create 3D-printable scintillators and features optical and mechanical characterisation results of initial samples in comparison to classical reference samples.
Keywords: scintillator; 3D-printing; mechanical properties; optical properties