Current unknowns in the three-neutrino framework

被引:197
作者
Capozzi, F. [1 ]
Lisi, E. [2 ]
Marrone, A. [2 ,3 ]
Palazzo, A. [2 ,3 ]
机构
[1] Werner Heisenberg Inst, Max Planck Inst Phys, Fohringer Ring 6, D-80805 Munich, Germany
[2] Ist Nazl Fis Nucl, Sez Bari, Via Orabona 4, I-70126 Bari, Italy
[3] Univ Bari, Dipartimento Interateneo Fis, Via Amendola 173, I-70126 Bari, Italy
基金
欧盟地平线“2020”;
关键词
Neutrino masses and mixings; Neutrino oscillations; Global data analysis; LONG-BASE-LINE; NEUTRINO OSCILLATION EXPERIMENTS; BARYON ACOUSTIC-OSCILLATIONS; PARAMETRIC-RESONANCE; ATMOSPHERIC NEUTRINOS; SOLAR NEUTRINOS; MASS; 3-FLAVOR; VIOLATION; MATTER;
D O I
10.1016/j.ppnp.2018.05.005
中图分类号
O57 [原子核物理学、高能物理学];
学科分类号
070202 ;
摘要
We present an up-to-date global analysis of data coming from neutrino oscillation and non-oscillation experiments, as available in April 2018, within the standard framework including three massive and mixed neutrinos. We discuss in detail the status of the three-neutrino (3 nu) mass-mixing parameters, both known and unknown. Concerning the latter, we find that: normal ordering (NO) is favored over inverted ordering (10) at 3 sigma level; the Dirac CP phase is constrained within similar to 15% (similar to 9%) uncertainty in NO (IO) around nearly-maximal CP-violating values; the octant of the largest mixing angle and the absolute neutrino masses remain undetermined. We briefly comment on other unknowns related to theoretical and experimental uncertainties (within 3 nu) or possible new states and interactions (beyond 3 nu). (C) 2018 Elsevier B.V. All rights reserved.
引用
收藏
页码:48 / 72
页数:25
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