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Related papers: Comment on: Neutrino Mass Anarchy

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Taking the neutrino oscillation data into consideration, a dimensionless parameter $\Delta = (m_3-m_1)/(m_3+m_1)$ is adopted to parameterize the three neutrino mass eigenstates and the normal (positive $\Delta$) or inverted (negative…

Cosmology and Nongalactic Astrophysics · Physics 2018-09-05 En-Kun Li , Hongchao Zhang , Minghui Du , Zhi-Huan Zhou , Lixin Xu

We show that any model with a homogeneous relationship among elements of the neutrino mass matrix with one mass hierarchy yields predictions for the oscillation parameters and Majorana phases similar to those given by a model with the same…

High Energy Physics - Phenomenology · Physics 2014-01-29 Jiajun Liao , Danny Marfatia , Kerry Whisnant

In the Standard theory of neutrino oscillations is used scheme of mass mixings, i.e., oscillation parameters are expressed via terms of mass matrix. In this work neutrino oscillations generated by charge (the weak interaction couple…

High Energy Physics - Phenomenology · Physics 2009-01-01 Kh. M. Beshtoev

This letter proposes an alternative quantum mechanical picture for the observed phenomena of neutrino oscillations. It is assumed in the following that neutrinos interact via diabatic (or localised) interactions with a new particle field,…

High Energy Physics - Phenomenology · Physics 2020-12-18 M. Bergevin

Several intriguing aspects of neutrino oscillation phenomenology like the origin of small neutrino masses, the absolute neutrino mass scale, the neutrino mass hierarchy, i.e. normal or inverted and the nature of neutrinos, i.e. Dirac or…

High Energy Physics - Phenomenology · Physics 2014-03-18 Rohit Verma

A phenomenological neutrino mass matrix is proposed to explain the solar and atmospheric neutrino deficits and to present the neutrino as a candidate of hot dark matter in the $3\nu_L+3\nu_R$ framework. The realization of mixing angles…

High Energy Physics - Phenomenology · Physics 2008-11-26 Daijiro Suematsu

All the possible schemes of neutrino mixing with four massive neutrinos inspired by the existing experimental indications in favor of neutrino mixing are considered in a model independent way. Assuming that in short-baseline experiments…

High Energy Physics - Phenomenology · Physics 2015-06-25 S. M. Bilenky , C. Giunti , W. Grimus

In the standard approach to the neutrino oscillations a unitary relation among weak and mass eigenstates of light neutrinos is imposed. However, in many extensions of the SM left-handed, active neutrinos mix with additional heavy neutrino…

High Energy Physics - Phenomenology · Physics 2014-11-17 M. Czakon , J. Gluza , M. Zralek

With the recent experimental advance in our precise knowledge of the neutrino oscillation parameters, the correct form of the 3 X 3 neutrino mass matrix is now approximately known. I discuss how this may be obtained from symmetry…

High Energy Physics - Phenomenology · Physics 2008-11-26 Ernest Ma

Observed reactor and atmospheric neutrino oscillation mixing values appear to be related to the neutrino scale ratio $\sqrt{\Delta m^2_{sol}/\Delta^2_{ATM}}$ in a way that suggest that the neutrino mass matrix can be expanded as a power…

High Energy Physics - Phenomenology · Physics 2022-02-03 Eduardo Becerra-García , Abdel Pérez-Lorenzana

Existing experimental data for neutrino oscillations are consistent with Lorentz-violating massless neutrinos. This talk summarizes some aspects of neutrino oscillations from the perspective of Lorentz and CPT violation in effective quantum…

High Energy Physics - Phenomenology · Physics 2007-05-23 Alan Kostelecky

Neutrino mixing anarchy is the hypothesis that the leptonic mixing matrix can be described as the result of a random draw from an unbiased distribution of unitary three-by-three matrices. In light of the recent very strong evidence for a…

High Energy Physics - Phenomenology · Physics 2012-04-06 Andre de Gouvea , Hitoshi Murayama

In the light of latest data of neutrino oscillation experiments, we carry out a systematic investigation on the texture structures of Majorana neutrino mass matrix $M_{\nu}$, which contain one vanishing neutrino mass and an equality between…

High Energy Physics - Phenomenology · Physics 2017-11-08 Jinzhong Han , Ruihong Wang , Weijian Wang , Xing-Ning Wei

Is the relatively isolated member of the neutrino mass spectrum heavier or lighter than the two closely-spaced members? This question - the character of the neutrino mass hierarchy - is of great theoretical interest. All previously…

High Energy Physics - Phenomenology · Physics 2008-11-26 Andre de Gouvea , James Jenkins , Boris Kayser

We present a brief review of the current status of neutrino mass and mixing parameters, based on a comprehensive phenomenological analysis of neutrino oscillation and non-oscillation searches, within the standard three-neutrino mixing…

High Energy Physics - Phenomenology · Physics 2007-05-23 G. L. Fogli , E. Lisi , A. Marrone , A. Palazzo , A. M. Rotunno

In the last years we have learnt a lot about neutrino masses and mixings. Neutrinos are not all massless but their masses are very small. Probably masses are small because neutrinos are Majorana particles with masses inversely proportional…

High Energy Physics - Phenomenology · Physics 2011-11-29 Guido Altarelli

We study the implications of neutrino oscillations with maximal mixing for the neutrino Dirac and Majorana matrices in the see-saw mechanism for three non degenerate neutrino masses. We find the form of the Dirac matrix for a structure-less…

High Energy Physics - Phenomenology · Physics 2009-10-31 Guido Altarelli , Ferruccio Feruglio

Determining the absolute masses of neutrinos is of fundamental importance in particle physics, nuclear physics, and astrophysics. We conjecture that intrinsic mass relations exist between leptons and quarks. Using these relations and…

High Energy Physics - Phenomenology · Physics 2015-06-05 Fu-Guang Cao

The hypothesis that the Majorana mass of ordinary neutrinos dominates the rate of neutrinoless double beta decay is investigated. Predictions from neutrino oscillations are updated. Nuclear uncertainties are discussed, evaluating the impact…

High Energy Physics - Phenomenology · Physics 2014-08-11 Stefano Dell'Oro , Simone Marcocci , Francesco Vissani

Taking clue from the minimal structure of texture 4-zero hermitian mass matrices, which are very successful in accommodating quark mixing data, we propose a form of texture 2-zero complex symmetric neutrino mass matrix with only one phase…

High Energy Physics - Phenomenology · Physics 2025-07-17 Manoj Kumar , Nikhila Awasthi , Monika Randhawa , Manmohan Gupta