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Since the discovery of neutrino oscillations, the experimental progress in the last two decades has been very fast, with the precision measurements of the neutrino squared-mass differences and of the mixing angles, including the last…

High Energy Physics - Experiment · Physics 2018-01-17 Claudio Giganti , Stéphane Lavignac , Marco Zito

We show how the neutrino mixing angles and oscillation phase can be predicted from tri-bimaximal neutrino mixing, corrected by charged lepton mixing angles which are related to quark mixing angles via quark-lepton unification. The…

High Energy Physics - Phenomenology · Physics 2009-11-11 S. F. King

We investigate the three-neutrino mixing scheme for solving the atmospheric and LSND anomalies. We find the region in the parameter space that provides a good fit to the LSND and the SK atmospheric data, taking into account the CHOOZ…

High Energy Physics - Phenomenology · Physics 2011-02-07 G. Barenboim , A. Dighe , S. Skadhauge

We suggest a minimal extension of the simplest A4 flavour model that can induce a nonzero theta13 value, as required by recent neutrino oscillation data from reactors and accelerators. The predicted correlation between the atmospheric…

High Energy Physics - Phenomenology · Physics 2013-08-09 S. Morisi , D. V. Forero , J. C. Romao , J. W. F. Valle

A new atmospheric neutrino oscillation tool which utilizes full three neutrino oscillation probabilities and a full three neutrino treatment of the MSW effect is combined with a standard analysis of the K2K, MINOS, and CHOOZ data to examine…

Nuclear Theory · Physics 2009-08-20 J. E. Roa , D. C. Latimer , D. J. Ernst

The JUNO collaboration has released its first measurement of reactor neutrino oscillations results, obtaining $\sin^2\theta_{12} = 0.3092\pm 0.0087$, an improvement in precision by a factor of 1.6 over previous combined results. We confront…

High Energy Physics - Phenomenology · Physics 2025-11-25 Xiao-Gang He

The phenomenological case for threefold maximal lepton mixing is strengthened by more detailed comparison with existing data. The atmospheric neutrino data are self-consistent and in good agreement with the threefold maximal mixing…

High Energy Physics - Phenomenology · Physics 2009-10-30 P. F. Harrison , D. H. Perkins , W. G. Scott

A review of recent measurements of the neutrino mixing angle theta-13 is presented. In the standard parametrisation of three-neutrino mixing this is the last of the three mixing angles to be determined, and is known to be the smallest. The…

High Energy Physics - Experiment · Physics 2012-09-27 R. P. Litchfield

The bounds on the neutrino mixing angles and CP Dirac phase for an SO(10) model with lopsided mass matrices, arising from the presence of ${\bf 16}_H$ and $\bar{\bf 16}_H$ Higgs representations, are studied by variation of the one real and…

High Energy Physics - Phenomenology · Physics 2014-11-18 Carl H. Albright

We considered a model where |V_{13}|=0 so that delta=0 at M_R and analyzed mixing angles and CP violation angles at the low energy scale by using the renormalization group in the MSSM model. In this model, parameters at M_R scale are two…

High Energy Physics - Phenomenology · Physics 2015-06-25 Takahiro Miura , Tetsuo Shindou , Eiichi Takasugi

An approximate neutrino mixing matrix is formutated by using the standard neutrino mixing matrix as a basis and experimental data of neutrino oscillations as inputs. By using the resulted approximate neutrino mixing matrix to proceed the…

High Energy Physics - Phenomenology · Physics 2016-07-05 Asan Damanik

We have analyzed the most recent available Super-Kamiokande data in a three flavor neutrino oscillation model. We have here neglected possible matter effects and performed a fit to atmospheric and solar Super-Kamiokande data. We have…

High Energy Physics - Phenomenology · Physics 2011-09-13 Christoph Meier , Tommy Ohlsson

We provide a short summary of three-flavour neutrino oscillation parameters as determined from a global fit to 2008 data, and we comment on possible hints in favour of a non-zero value of the mixing angle theta_{13} found in…

High Energy Physics - Phenomenology · Physics 2010-02-17 Michele Maltoni , Thomas Schwetz

The successful measurements of the smallest neutrino mixing angle, $\theta_{13}$, in 2012 by the short (1$\sim$2 km) baseline reactor neutrinos experiments, Daya Bay, RENO, and Double Chooz, have triggered a golden age of neutrino physics.…

High Energy Physics - Experiment · Physics 2017-02-01 Seon-Hee Seo

Using the result of the three flavor analysis of the old Kamiokande data, the recent Superkamiokande data of atmospheric neutrinos and the CHOOZ reactor data, it is shown that the third mixing angle $\theta_{13}$ is small. It is proposed to…

High Energy Physics - Phenomenology · Physics 2011-04-15 Osamu Yasuda

Until recently, measurements of theta_13, which describes the nu_e component in the nu_3 mass eigenstate, gave only upper limits, leaving open the possibility that it is zero and eliminating a source of CP violation in the neutrino sector.…

High Energy Physics - Experiment · Physics 2011-11-11 D. Karlen

We present an updated global fit of neutrino oscillation data in the simplest three-neutrino framework. In the present study we include up-to-date analyses from a number of experiments. Concerning the atmospheric and solar sectors, we give…

High Energy Physics - Phenomenology · Physics 2021-02-12 P. F. de Salas , D. V. Forero , S. Gariazzo , P. Martínez-Miravé , O. Mena , C. A. Ternes , M. Tórtola , J. W. F. Valle

Neutrino mixing and basics of neutrino oscillations are considered. Recent evidences in favour of neutrino oscillations, obtained in the solar and atmospheric neutrino experiments, are discussed. Neutrino oscillations in the solar and…

High Energy Physics - Phenomenology · Physics 2007-05-23 S. M. Bilenky

One goal of contemporary particle physics is to determine the mixing angles and mass-squared differences that constitute the phenomenological constants that describe neutrino oscillations. Of great interest are not only the best fit values…

Nuclear Theory · Physics 2015-06-04 H. R. Burroughs , B. K. Cogswell , J. Escamilla-Roa , D. C. Latimer , D. J. Ernst

The basics of neutrino oscillations is presented. Existing evidences of neutrino oscillations, obtained in the atmospheric and solar neutrino experiments, are considered. The new CHOOZ bound on the element $|U_{e3}|^{2}$, obtained from the…

High Energy Physics - Phenomenology · Physics 2007-05-23 S. M. Bilenky