High Energy Physics Seminars
Meeting ID: 922 8790 9487
Wednesday, October 27, 2021
Physics Building, Room 204
Erika Catano-Mur , William and Mary
[Host: Craig Group]
Neutrino oscillations are transitions in flight between the different neutrino flavors that arise from the non-degenerate neutrino masses and lepton mixing. These transitions are evidenced in solar, atmospheric, reactor and accelerator experiments. Current experimental efforts seek to improve the precision measurements of the elements of the mixing matrix, to determine the order of the neutrino masses, and to search for evidence of neutrino/antineutrino asymmetry in oscillation probabilities.
NOvA is a long-baseline neutrino oscillation experiment, which consists of two finely segmented liquid-scintillator detectors operating 14.6 mrad off-axis from Fermilab’s NuMI muon neutrino (or antineutrino) beam. With an 810 km baseline, the measurements of muon neutrino disappearance and electron neutrino appearance allow the determination of the neutrino mass hierarchy, the octant of the largest neutrino mixing angle, and charge-parity (CP) violation in the neutrino sector. In this talk, I summarize NOvA’s most recent 3-flavor oscillation results, based on the combined analysis of neutrino and antineutrino datasets with an exposure of ~13×1020 protons-on-target in each beam mode. I also discuss the experiment’s projected sensitivities, and the potential of discovery with current and next-generation long-baseline experiments.
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