The secondary pions and kaons produced at Fermilab's Booster Neutrino Beam decay to produce a neutrino beam with an average energy of around 800 MeV.
Sources
- Accelerator Neutrino Neutron Interaction Experiment (en.wikipedia.org)
- https://microboone.fnal.gov/wp-content/uploads/MICROBOONE-NOTE-1024-PUB.pdf (microboone.fnal.gov)
- https://arxiv.org/pdf/1007.4730 (arxiv.org)
- https://arxiv.org/pdf/0806.1449 (arxiv.org)
- https://arxiv.org/pdf/2507.00921 (arxiv.org)
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