Abstract
We review the present status of three-flavour neutrino oscillations, taking into account the latest available neutrino oscillation data presented at the Neutrino 2008 Conference. This includes the data released this summer by the MINOS collaboration, the data of the neutral current counter phase of the Sudbury Neutrino Observatory (SNO) solar neutrino experiment, as well as the latest KamLAND and Borexino data. We give the updated determinations of the leading ‘solar’ and ‘atmospheric’ oscillation parameters. We find from global data that the mixing angle θ13 is consistent with zero within 0.9σ and we derive an upper bound of sin2θ13⩽0.035 (0.056) at 90% confidence level (CL) (3σ).
Highlights
Thanks to the synergy amongst a variety of experiments involving solar and atmospheric neutrinos, as well as man-made neutrinos at nuclear power plants and accelerators [1] neutrino physics has undergone a revolution over the last decade or so
We present an update of the three-flavour oscillation analyses of Refs. [7] and [8]. This new analysis includes the data released this summer by the Main Injector Neutrino Oscillation Search experiment (MINOS) collaboration [9], the data from the neutral current counter phase of the Sudbury Neutrino Observatory (SNO) experiment (SNO-neutral current detectors (NCD)) [10], the latest KamLAND [11] and Borexino [12] data, as well as the results of a recent re-analysis of the Gallex/GNO solar neutrino data presented at the Neutrino 2008 conference [13]
In our SNO analysis we add the new data on the CC and NC fluxes to the previous results [21] assuming no correlation between the NCD phase and the previous salt phase, see Ref. [7] for further details
Summary
Thanks to the synergy amongst a variety of experiments involving solar and atmospheric neutrinos, as well as man-made neutrinos at nuclear power plants and accelerators [1] neutrino physics has undergone a revolution over the last decade or so. [7] and [8] This new analysis includes the data released this summer by the MINOS collaboration [9], the data from the neutral current counter phase of the SNO experiment (SNO-NCD) [10], the latest KamLAND [11] and Borexino [12] data, as well as the results of a recent re-analysis of the Gallex/GNO solar neutrino data presented at the Neutrino 2008 conference [13].
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