SMuK 2021 – wissenschaftliches Programm

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HK: Fachverband Physik der Hadronen und Kerne

HK 23: Instrumentation VII

HK 23.2: Vortrag

Donnerstag, 2. September 2021, 17:00–17:15, H2

Development of a high resolution scintillation time measurement system — Kai-Thomas Brinkmann, •Lara Dippel, Valera Dormenev, and Hans-Georg Zaunick — II. Physikalisches Institut, Justus-Liebig-Universität, Gießen

This project is dedicated to the development of a system optimized for coincidence time resolution (CTR) measurements, potentially utilized in the context of scintillation kinetics or time-of-flight measurements. Testing through a selection of different electronic and detector components available in our lab, we were able to assemble a setup with promising results for scintillation kinetics measurements. The most promising setup employs a TDC7200 on a custom board read out by a RaspberryPi and a BaF crystal coupled to a PMT as a reference detector, measuring against another "naked" PMT optimized for fast timing. However, the setup predominantly measures the prompt photons emitted by the material tested, effectively suppressing the slower components. To measure the full-timing response of the material, further adjustments to the setup are needed. This work was carried out in the framework of BMBF Project 05K2019 - UFaCal