Initial measurement of reactor antineutrino oscillation at SNO+

Abstract

The SNO+ collaboration reports its first spectral analysis of long-baseline reactor antineutrino oscillation using 114 tonne-years of data. Fitting the neutrino oscillation probability to the observed energy spectrum yields constraints on the neutrino mass-squared difference $\Delta m_{21}^2$. In the ranges allowed by previous measurements, the best-fit $\Delta m_{21}^2$ is (8.85${}_{-1.33}^{+1.10}$) $\times$ 10${}^{-5}$ eV${}^2$. This measurement is continuing in the next phases of SNO+ and is expected to surpass the present global precision on $\Delta m_{21}^2$ with about three years of data.

References in corpus (18)

• First Results from KamLAND: Evidence for Reactor Anti-Neutrino Disappearance
• Observation of electron-antineutrino disappearance at Daya Bay
• Neutrino Physics with JUNO
• The SNO+ Experiment
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• The reaction 13C(alpha,n)16O: a background for the observation of geo-neutrinos
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• Abundances of uranium and thorium elements in Earth estimated by geoneutrino spectroscopy
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• A Method to Load Tellurium in Liquid Scintillator for the Study of Neutrinoless Double Beta Decay
• Event-by-Event Direction Reconstruction of Solar Neutrinos in a High Light-Yield Liquid Scintillator
• Optical calibration of the SNO+ detector in the water phase with deployed sources
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Cited by in corpus (2)

• Measurement of reactor antineutrino oscillation at SNO+
• Measurement of reactor antineutrino oscillations with 1.46 ktonne-years of data at SNO+