ANNIE uses early prototypes of Large Area Picosecond Photodetectors (LAPPDs) to achieve high precision timing.
Notes on verification
Confirmed by Fermilab's ANNIE project page, the original 2014 Expression of Interest document, and multiple subsequent peer-reviewed/preprint publications describing LAPPD deployment and use for precision timing. [tier=silver indep_score=1.0 clusters=2 claim_tier=notable]
Sources
- Accelerator Neutrino Neutron Interaction Experiment (wikipedia)
- https://arxiv.org/pdf/1402.6411 (corroboration)
- https://annie.fnal.gov/lappds/ (corroboration)
- https://arxiv.org/pdf/1504.01480 (corroboration)
- https://arxiv.org/pdf/1803.10624 (corroboration)
- https://arxiv.org/abs/2508.11111 (corroboration)