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.
Sources
- Accelerator Neutrino Neutron Interaction Experiment (en.wikipedia.org)
- https://news.fnal.gov/2016/04/annie-finds-home-fermilab/ (news.fnal.gov)
- https://arxiv.org/pdf/1704.08181 (arxiv.org)