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The MiniBooNE Beamline
MiniBooNE is searching for the oscillation of muon neutrinos into electron neutrinos. It will accomplish this by comparing of the number of "electron-esque" events it detects to the number of "muon-esque" events. Oscillations are not exactly commonplace occurrences, so it is important that extraneous or "background" electron-esque events be kept to a minimum. The MiniBooNE beamline is designed to produce very few electron neutrinos, and lots of muon neutrinos -- so that oscillations can happen as often as possible, and background events will be rare.

Five times every second, the MiniBooNE proton line will supply 5 x 1012 protons in a pulse 1.5 microseconds wide. Knowing the beam's timing structure will allow us to sort out beam-related events in the detector. These protons will strike a beryllium target and produce pions; the pions decay, providing MiniBooNE with an intense beam of muon neutrinos.

The Fermilab Booster is the accelerator which produces the protons used by the MiniBooNE experiment