Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2011-03-03
Physics
High Energy Physics
High Energy Physics - Phenomenology
15 pages, 10 figures and 2 tables, v2: corrected version, main conclusions unchanged, references added
Scientific paper
We present the results of a global neutrino oscillation data analysis within the three-flavour framework. We include latest results from the MINOS long-baseline experiment (including electron neutrino appearance as well as anti-neutrino data), updating all relevant solar (SK II+III), atmospheric (SK I+II+III) and reactor (KamLAND) data. Furthermore, we include a recent re-calculation of the anti-neutrino fluxes emitted from nuclear reactors. These results have important consequences for the analysis of reactor experiments and in particular for the status of the mixing angle $\theta_{13}$. In our recommended default analysis we find from the global fit that the hint for non-zero $\theta_{13}$ remains weak, at 1.8$\sigma$ for both neutrino mass hierarchy schemes. However, we discuss in detail the dependence of these results on assumptions concerning the reactor neutrino analysis.
Schwetz Thomas
Tortola Mariam
Valle Jose W. F.
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