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Description
AMBER gained approval from CERN in 2020 as a multipurpose facility using the
M2 beam line at CERN's SPS designed for experiments in meson and baryon
physics. First measurements of proton-helium collisions were recorded in 2023
to determine the antiproton production cross-sections, and measurements with
hydrogen and deuterium targets are planned for 2024. These data sets will be
of particular interest to model the cosmic antiproton flux.
Currently, preparations are ongoing for a measurement of the proton charge
radius in high-energy muon-proton scattering. This distinctive approach will
feature different systematics compared to other methods aiming to provide
insights into the longstanding "Proton Radius Puzzle". The recently developed
Scintillating Fiber Hodoscope, integrated into a novel Unified Tracking Station,
will play an important role in providing crucial time information for precise
muon tracking.
Looking ahead, AMBER prepares for future experiments, including the study of
the partonic structure of mesons though Drell-Yan processes and strange-meson
spectroscopy.