NOvA
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NOvA (NuMI Off-Axis Electron Neutrino Appearance) studies how neutrinos oscillate between flavors as they travel. Fermilab’s NuMI beamline sends muon neutrinos 500 miles through the Earth to NOvA’s far detector in northern Minnesota, where they’re compared against measurements taken close to the beam. By running in both neutrino and antineutrino mode, NOvA constrains the neutrino mass ordering and looks for differences in how neutrinos and antineutrinos oscillate – a step toward understanding why the universe is made of matter rather than antimatter. NOvA has now been collecting data for over a decade, building an increasingly precise dataset for its oscillation measurements.