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T: Fachverband Teilchenphysik

T 111: Outreach 3

T 111.5: Vortrag

Freitag, 8. März 2024, 10:00–10:15, Geb. 30.22: Lehmann-HS

Designing a Time Projection Chamber for Schools — •Annika Hoverath, Laura Rodríguez Gómez, Jochen Kaminski, Klaus Desch, Johannes Streun, Malte Koch, and Maximilian Meiß — Physikalisches Institut, University of Bonn

The CLEOPATRA project - CLassroom Experiment On PArticle TRAcking - is aimed to develop a new experiment in portable size for physics lessons in German high schools. Since there are only a few experiments, which focus on modern particle physics and which can be shown in lessons, CLEOPATRA visualizes how particles, especially cosmic muons and electrons from radioactive sources, can be detected in modern research. The idea is that pupils get an adequate insight into the research process and how knowledge about nature is obtained in science. The heart of this experiment is a time projection chamber. This detector type is often used in fundamental research. In this setup a so-called GridPix is used to measure the charge signals and to identify the particle track. The track projection on the anode yields two-dimensional information. With the usage of scintillators around the gas volume, the system is triggered and records the timing for three-dimensional information. With this detector particle tracks can be reconstructed digitally in three dimensions and almost in real-time.

In this talk, the CLEOPATRA detector and the corresponding physics will be presented and current developments and challenges will be explained. Currently, the detector will be improved by a magnetic field for track bending to distinguish particles and a scintillator will be developed around the whole gas volume for full track reconstruction.

Keywords: Particle Physics; Detector; Time Projection Chamber; School Experiment