Science2000sEuropelow confidence

The Antiproton Decelerator started operation in the year 2000.

Notes on verification

Confirmed by CERN's official sources and multiple independent technical documents; minor discrepancy in some academic papers citing 1999 as commissioning start, but consensus supports 2000 for operational start. [tier=unverified indep_score=0.3 clusters=3 claim_tier=notable] [rescored 2026-09-15: curated origin-host map (PR #65); unclassified hosts no longer scored as aggregators]

Sources

The Antiproton Decelerator started operation in the year … · DeepInquiry