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HK: Fachverband Physik der Hadronen und Kerne

HK 37: Instrumentation IX

HK 37.5: Vortrag

Mittwoch, 30. März 2022, 15:15–15:30, HK-H3

Streaming readout for the AMBER GEM detectors — •Michael Lupberger¹, Chiara Alice², Lukas Bayer¹, Karl Jonathan Flöthner^1,3, Christian Honisch¹, Marco Mignone⁴, Jan Paschek¹, Benjamin Roth¹, Dimitri Schaab¹, Maxim Alexeev², and Bernhard Ketzer¹ — ¹Universität Bonn — ²CERN — ³Universita e INFN sez. Torino — ⁴INFN sez. Torino

The Apparatus for Meson and Baryon Experimental Research (AMBER) will be a fixed-target experiment at CERN’s SPS. In the approved phase I of the experiment, running also under the name NA66, a proton radius measurement by elastic muon-proton scattering is foreseen in 2023 and 2024. The recoil proton will be measured in a high-pressure Time Projection Chamber (TPC). The muon kinematics is determined with a spectrometer, which partly uses the existing COMPASS detectors.
Due to the higher beam rate and the need for a continuous readout to match the instantaneous muon track with delayed information of the recoil proton in the TPC, significant detector upgrades and novel developments are necessary. The muon reconstruction will rely on new large-area GEM detectors with self-triggering readout. Tests of prototype detectors with two possible candidate ASICs, the VMM and the TIGER chips, have been performed in order to evaluate their performance.
The contribution will report on the results of the tests of the GEM detectors with the new streaming readout.