Antiprotons at CERN's Antiproton Decelerator are created by impinging a proton beam from the Proton Synchrotron on an iridium target.
Notes on verification
Confirmed by multiple independent sources including CERN official pages and peer-reviewed accelerator physics papers, consistent in describing the 26 GeV/c proton beam impinging on an iridium target to produce antiprotons. [tier=gold indep_score=0.89 clusters=5 claim_tier=notable]
Sources
- Antiproton Decelerator (wikipedia)
- https://home.cern/science/accelerators/antiproton-decelerator/ (corroboration)
- https://cerncourier.com/a/beams-back-at-the-antiproton-decelerator/ (corroboration)
- https://alpha.web.cern.ch/science/antiproton-source (corroboration)
- https://journals.aps.org/prab/pdf/10.1103/PhysRevAccelBeams.19.073402 (corroboration)
- https://arxiv.org/pdf/1604.08820 (corroboration)