Köln 2025 – wissenschaftliches Programm
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HK: Fachverband Physik der Hadronen und Kerne
HK 10: Instrumentation III
HK 10.1: Gruppenbericht
Montag, 10. März 2025, 16:45–17:15, SR Exp1A Chemie
GEM detectors for AMBER - An Overview of ongoing research — •Jan Paschek1, Paul Clemens1, Karl Flöthner1,2, Pascal Henkel1, Igor Konorov3, Michael Lupberger1,4, Dimitri Schaab1, and Bernhard Ketzer1 — 1Helmholtz-Instituts für Strahlen- und Kernphysik, Universität Bonn, Germany — 2Gaseous Detector Department, CERN, Switzerland — 3Physik-Department, Technische Universität München, Germany — 4Physikalisches Institut, Universität Bonn, Germany
The AMBER experiment at CERN's SPS explores fundamental questions in hadron physics using high-energy muon and hadron beams. By successfully completing its first physics runs in 2023 and 2024, AMBER provides valuable data for dark matter searches by measuring the antiproton production cross-section on hydrogen, deuterium and helium targets. Looking ahead, the experiment will carry out its first measurement of the proton electric form factor in 2025 through elastic muon-proton scattering. To fulfill the requirements of the physics program, next-generation planar GEM detectors are being developed that include a number of technological advances. For the antiproton production measurements, the detectors operated with APV25-based, triggered readout electronics. All future measurements will employ a self-triggering readout system using the VMM3a front-end chip. Extensive tests, both in the laboratory and in test-beam campaigns, have been conducted to asses and optimize the performance of both systems. This presentation will give you a brief overview of the latest results regarding the detector's development. Supported by BMBF.
Keywords: AMBER; GEM; Gaseous detector; Tracking; Readout