Gießen 2024 – wissenschaftliches Programm
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HK: Fachverband Physik der Hadronen und Kerne
HK 70: Hadron Structure and Spectroscopy IX
HK 70.4: Vortrag
Donnerstag, 14. März 2024, 16:45–17:00, HBR 62: EG 18
Scintillating Fiber Hodoscopes for the Proton Radius Measurement at AMBER — Christian Dreisbach1, •Karl Eichhorn1, Jan Friedrich1, Igor Konorov1, Martin J. Losekamm1, Stephan Paul1, and Thomas Poeschl1,2 for the AMBER collaboration — 1School of Natural Sciences, Technical University of Munich, Garching, Germany — 2CERN
The AMBER collaboration aims to measure the electric-charge radius of the proton by elastic scattering of high-energy muons on an active hydrogen target at the M2 beamline at CERN’s Super Proton Synchrotron. For muon tracking, novel Unified Tracking Stations equipped with silicon pixel detectors in combination with Scintillating Fiber Hodoscopes (SFH) will be used. The SFH consists of 500-µm scintillating-plastic fibers read out with silicon photomultipliers (SiPMs), covering an active area of (9x9) cm2. We present ongoing studies and results from a test beam experiment performed in 2023 with a detector prototype.