Science2021United Stateshigh confidence

Fermilab's 'Muon g-2' experiment unveiled its first result on April 7, 2021.

Notes on verification

Confirmed by Fermilab's official press release and corroborated by Brookhaven National Laboratory, Symmetry Magazine, and major science press outlets, all consistently dating the announcement to April 7, 2021. [tier=gold indep_score=0.983 clusters=3 claim_tier=notable | framework convergence=single on Fermilab Muon g-2 experiment official announcement (upstreams: Fermilab Muon g-2 Collaboration, Brookhaven National Laboratory) — publishers independent, evidence may not be | kind=empirical eligibility=high]

Sources