Global neutrino data and recent reactor fluxes: the status of three-flavour oscillation parameters

被引：159

作者：

Schwetz, Thomas ^{[1
]}

Tortola, Mariam ^{[2
]}

Valle, J. W. F. ^{[2
]}

机构：

[1] Max Planck Inst Kernphys, D-69029 Heidelberg, Germany

[2] Univ Valencia, CSIC, Inst Fis Corpuscular, AHEP Grp, E-46071 Valencia, Spain

来源：

NEW JOURNAL OF PHYSICS | 2011年 / 13卷

关键词：

LONG-BASE-LINE; ANTINEUTRINO SPECTRA; FISSION-PRODUCTS; SEARCH; PU-239;

D O I：

10.1088/1367-2630/13/6/063004

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We present the results of a global neutrino oscillation data analysis within the three-flavour framework. We include the latest results from the MINOS long-baseline experiment (including electron neutrino appearance and anti-neutrino data), updating all relevant solar (Super-Kamiokande (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 nonzero 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 regarding the reactor neutrino analysis.

引用

页数：15

共 44 条

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