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Global status of neutrino oscillation parameters after Neutrino-2012

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Global status of neutrino oscillation parameters after Neutrino-2012

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Vanegas Forero, David; Tórtola Baixauli, María Amparo; Furtado Valle, José Wagner

Aquest document és un/a article, creat/da en: 2012

Here we update the global fit of neutrino oscillations in arXiv:1103.0734 and arXiv:1108.1376 including the recent measurements of reactor antineutrino disappearance reported by the Double Chooz, Daya Bay and RENO experiments, together with latest MINOS and T2K appearance and disappearance results, as presented at the Neutrino-2012 conference. We find that the preferred global fit value of θ13 is quite large: sin2θ13≃0.025 for normal and inverted neutrino mass ordering, with θ13=0 now excluded at more than 10σ. The impact of the new θ13 measurements over the other neutrino oscillation parameters is discussed as well as the role of the new long-baseline neutrino data and the atmospheric neutrino analysis in the determination of a non-maximal atmospheric angle θ23.

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