ANNIE began installation in the summer of 2015.
Notes on verification
Confirmed by an independent arXiv source explicitly stating installation began summer 2015; corroborated by other Fermilab-related documents. [tier=unverified indep_score=0.5 clusters=1 claim_tier=everyday] [harvest 2026-09-15: +1 source(s) on new hosts; tier unverified->silver indep=1.0 clusters=2] [kind-backfill 2026-09-15: kind=empirical eligibility=high]
Sources
- Accelerator Neutrino Neutron Interaction Experiment (wikipedia)
- https://news.fnal.gov/2016/04/annie-finds-home-fermilab/ (corroboration)
- https://arxiv.org/pdf/1704.08181 (corroboration)