Abstract
The MINOS experiment collected 3.36 × 10 20 protons-on-target from May 2005 through July 2007 from Fermilab's NuMI beam. The data are consistent with ν μ → ν τ neutrino oscillation with parameters | Δ m 2 | = ( 2.43 ± 0.13 ) × 10 − 3 eV 2 (68% CL) and sin 2 2 θ > 0.90 (90% CL). An independent analysis of the first 2.46 × 10 20 protons-on-target reveals no indication of sterile neutrino oscillation. A search for ν e appearance is ongoing. The NO ν A experiment is optimized for the detection of ν e appearance off-axis from an upgraded NuMI beam and will be capable of an order-of-magnitude greater precision in ν μ → ν τ oscillation parameters.
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