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.
Sources
- Physique des particules : les muons nous mèneront-ils vers une nouvelle physique ? | CNRS (cnrs.fr)
- https://news.fnal.gov/2021/04/first-results-from-fermilabs-muon-g-2-experiment-strengthen-evidence-of-new-physics/ (news.fnal.gov)
- https://www.symmetrymagazine.org/article/fermilabs-muon-g-2-experiment-releases-first-results (symmetrymagazine.org)
- https://www.bnl.gov/newsroom/news.php?a=117397 (bnl.gov)