PAX is the first experiment at CERN’s TELMAX beamline
PAX was the first experiment to use TELMAX, the new antiproton test beamline at CERN’s Antimatter Factory, with beamtimes in 2025 and 2026.

A scaled-down version of the PAX spectrometer, with transition-edge sensors developed at NIST, was installed at TELMAX in April 2025. Read the CERN news article.
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