Heidelberg 2022 – scientific programme

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T: Fachverband Teilchenphysik

T 67: Myon Detectors

T 67.7: Talk

Wednesday, March 23, 2022, 17:55–18:10, T-H26

Fabrication of Resitive Plate Chambers — Oliver Kortner, Hubert Kroha, Daniel Soyk, and •Timur Turkovic — Max-Planck-Institut für Physik, Föhringer Ring 6, 80805 München, Germany

Resistive plate chambers (RPCs) with electrodes of high-pressure phenolic laminate (HPL) and small gas gap widths down to 1 mm provide large area tracking at relatively low cost in combination with high rate capability and fast response with excellent time resolution of better than 500 ps. They can be operated up to γ background count rates of up to 10 kHz/cm2 which is five times the maximum rate these RPCs will encounter in the innermost layer of the barrel muon spectrometer of the ATLAS detector where they will be installed in the phase-II upgrade for the HL-LHC operation. A cost-effective production procedure which is compliant with industrial techniques was worked out and tested by a production of prototype thin-gap RPCs in the laboratory. Cosmic ray muons were used to check the proper functioning of these prototypes. The new production procedure has been transfered to several companies for the production of test samples. We will report about the RPC production in the laboratory and the technology transfer to industry.