Abstract
The NOvA experiment is a long-baseline accelerator-based neutrino oscillation experiment. It uses the upgraded NuMI beam from Fermilab to measure electron-neutrino appearance and muon-neutrino disappearance between the Near Detector, located at Fermilab, and the Far Detector, located at Ash River, Minnesota. The NuMI beam has recently reached and surpassed the 700 kW power benchmark. NOvA’s primary physics goals include precision measurements of oscillation parameters, such as [Formula: see text] and the atmospheric mass-squared splitting, along with probes of the mass hierarchy and of the CP violating phase. This talk will present the latest NOvA results, based on a neutrino beam exposure equivalent to [Formula: see text] protons-on-target.
Highlights
Results from the NOvA ExperimentNOvA’s primary physics goals include precision measurements of oscillation parameters, such as θ23 and the atmospheric mass-squared splitting, along with probes of the mass hierarchy and of the CP violating phase
The off-axis position maximizes the oscillation probability for the electron neutrino appearance channel and results in a muon neutrino energy spectrum that peaks at 2 GeV, giving us a distance-to-energy ratio located at the first oscillation maximum for oscillations driven by ∆m232 = 2.5 × 10−3eV2
Many other non-oscillation studies are done with the NOvA detectors, including crosssection studies, exotic phenomena, and non-beam physics studies; these studies are not covered in this talk
Summary
NOvA’s primary physics goals include precision measurements of oscillation parameters, such as θ23 and the atmospheric mass-squared splitting, along with probes of the mass hierarchy and of the CP violating phase This talk will present the latest NOvA results, based on a neutrino beam exposure equivalent to 6.05 × 1020 protons-on-target. The off-axis position maximizes the oscillation probability for the electron neutrino appearance channel and results in a muon neutrino energy spectrum that peaks at 2 GeV, giving us a distance-to-energy ratio located at the first oscillation maximum for oscillations driven by ∆m232 = 2.5 × 10−3eV2 This talk describes neutrino oscillation analyses with the first 6.05×1020 protonson-target (POT) of full-detector equivalent exposure in neutrino mode, as described in Refs. Further distribution of this work is permitted, provided the original work is properly cited
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