Combining Accelerator and Reactor Measurements of theta_13; The First Result

Abstract

The lepton mixing angle theta_13, the only unknown angle in the standard three-flavor neutrino mixing scheme, is finally measured by the recent reactor and accelerator neutrino experiments. We perform a combined analysis of the data coming from T2K, MINOS, Double Chooz, Daya Bay and RENO experiments and find sin^2 2theta_13 = 0.096 \pm 0.013 (\pm 0.040) at 1 sigma (3 sigma) CL and that the hypothesis theta_13 = 0 is now rejected at a significance level of 7.7 sigma. We also discuss the near future expectation on the precision of the theta_13 determination by using expected data from these ongoing experiments.

Final version to be published in JHEP, RENO included, theta13 = 0 is now rejected at 7.7 sigma CL, 12 pages, 4 figures

References in corpus (7)

• Indication of Electron Neutrino Appearance from an Accelerator-produced Off-axis Muon Neutrino Beam
• Indication for the disappearance of reactor electron antineutrinos in the Double Chooz experiment
• Improved search for muon-neutrino to electron-neutrino oscillations in MINOS
• New features in the simulation of neutrino oscillation experiments with GLoBES 3.0
• Measurement of the neutrino mass splitting and flavor mixing by MINOS
• Where we are on ${\theta }_{13}$: addendum to "Global neutrino data and recent reactor fluxes: status of three-flavour oscillation parameters"
• Improved search for ${\nu }_{\mu }\to {\nu }_e$ oscillation in a long-baseline accelerator experiment

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