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Related papers: Geometric Mean Neutrino Mass Relation

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An approximation that is often used in fits to reactor and atmospheric neutrino data and in some studies of future neutrino oscillation experiments is to assume one dominant scale, $\Delta m^2$, of neutrino mass squared differences, in…

High Energy Physics - Phenomenology · Physics 2010-05-28 Irina Mocioiu , Robert Shrock

From the analyses of the recent data of neutrino oscillation experiments (especially the CHOOZ and the Super KAMIOKANDE experiments), we discuss how these data affect the neutrinoless double beta decay ($(\beta \beta)_{0\nu}$) rate and vice…

High Energy Physics - Phenomenology · Physics 2009-10-31 T. Fukuyama , K. Matsuda , H. Nishiura

The current experimental status of neutrino physics is reviewed. It contains the evidences for a non-vanishing neutrino rest mass from neutrino oscillation searches. In addition an outlook is given on determining the various mixing matrix…

High Energy Physics - Experiment · Physics 2009-11-11 K. Zuber

We present a review of the present status of the problem of neutrino masses and mixing including a survey of theoretical motivations and models, experimental searches and implications of recently appeared solar and atmospheric neutrino…

High Energy Physics - Phenomenology · Physics 2014-11-17 S. Khalil , E. Torrente-Lujan

A revolution in our understanding of the neutrino sector is underway, driven by observations that are interpreted in terms of changes in neutrino flavors as they propagate. Since neutrino oscillations occur only if neutrinos are massive,…

High Energy Physics - Phenomenology · Physics 2007-05-23 V. Barger , K. Whisnant

Assuming lepton number conservation, hermiticity of the neutrino mass matrix and $\nu_{\mu} - \nu_{\tau}$ exchange symmetry, we show that we can determine the neutrino mass matrix completely from the existing data. Comparing with the…

High Energy Physics - Phenomenology · Physics 2014-05-26 Shreyashi Chakdar , Kirtiman Ghosh , S. Nandi

Two most outstanding questions are puzzling the world of neutrino Physics: the possible Majorana nature of neutrinos and their absolute mass scale. Direct neutrino mass measurements and neutrinoless double beta decay (0nuDBD) are the…

High Energy Physics - Experiment · Physics 2010-02-09 Oliviero Cremonesi

We study the range of the elements of the neutrino mass matrix m_nu in the charged lepton basis. Neutrino-less double beta decay is sensitive to the ee element of m_nu. We then analyze the phenomenological implications of single texture…

High Energy Physics - Phenomenology · Physics 2011-06-24 A. Merle , W. Rodejohann

Solar and atmospheric neutrino anomalies are described by bimaximal mixing of three neutrinos. Neutrino oscillations in appearance nu_e <--> nu_mu,nu_tau and in disappearance nu_e long baseline and atmospheric experiments are sensitive to…

High Energy Physics - Phenomenology · Physics 2009-10-31 M. Jezabek , Y. Sumino

We revisit our previous work [Phys. Rev. D 95, 096014 (2017)] where neutrino oscillation and nonoscillation data were analyzed in the standard framework with three neutrino families, in order to constrain their absolute masses and to probe…

High Energy Physics - Phenomenology · Physics 2020-07-01 Francesco Capozzi , Eleonora Di Valentino , Eligio Lisi , Antonio Marrone , Alessandro Melchiorri , Antonio Palazzo

We point out that for solar neutrino oscillations with the mass-squared difference of Delta m^2 ~ 10^-10 - 10^-9 eV^2, traditionally known as ``vacuum oscillation'' range, the solar matter effects are non-negligible, particularly for the…

High Energy Physics - Phenomenology · Physics 2014-11-17 Alexander Friedland

Motivated by tremendous progress in neutrino oscillation experiments, we derive a new set of simple and compact formulas for three-flavor neutrino oscillation probabilities in matter of a constant density. A useful definition of the…

High Energy Physics - Phenomenology · Physics 2016-12-28 Yu-Feng Li , Jue Zhang , Shun Zhou , Jing-yu Zhu

Absolute neutrino masses provide a key to physics beyond the standard model. We discuss the impact of absolute neutrinos masses on physics beyond the standard model, the experimental possibilities to determine absolute neutrinos masses, and…

High Energy Physics - Phenomenology · Physics 2017-08-23 Heinrich Päs , Thomas J. Weiler

We re-examine neutrino oscillations in exact parity models. Previously it was shown in a specific model that large neutrino mixing angles result. We show here that this is a general result of neutrino mixing in exact parity models provided…

High Energy Physics - Phenomenology · Physics 2015-06-25 R. Foot

In this work we study the phenomenological consequences of the dependence of mass varying neutrinos on the neutrino density in the Sun, which we precisely compute in each point along the neutrino trajectory. We find that a generic…

High Energy Physics - Phenomenology · Physics 2009-11-11 Marco Cirelli , M. C. Gonzalez-Garcia , Carlos Pena-Garay

In this paper, we emphasize why it is important for future neutrinoless double-beta ($0\nu\beta\beta$) decay experiments to reach the sensitivity to the effective neutrino mass $|m^{}_{\beta\beta}| \approx 1~{\rm meV}$. Assuming such a…

High Energy Physics - Phenomenology · Physics 2020-04-22 Jun Cao , Guo-yuan Huang , Yu-Feng Li , Yifang Wang , Liang-Jian Wen , Zhi-zhong Xing , Zhen-hua Zhao , Shun Zhou

We review the status of the neutrino oscillation physics (as of June 2003), with a particular emphasis on the present knowledge of the neutrino mass-mixing parameters in a three generation approach. We consider first the nu_mu-->nu_tau…

High Energy Physics - Phenomenology · Physics 2009-11-10 G. L. Fogli , E. Lisi , A. Marrone , D. Montanino , A. Palazzo , A. M. Rotunno

A review of the problem of neutrino mass, mixing and oscillations is given. Possible phenomenological schemes of neutrino mixing are discussed. The most important consequences of neutrino mixing--neutrino oscillations are considered in some…

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

Status of determination of the neutrino masses and mixing is formulated and possible uncertainties, especially due to presence of the sterile neutrinos, are discussed. The data hint an existence of special ``neutrino'' symmetries. If not…

High Energy Physics - Phenomenology · Physics 2009-11-11 Alexei Yu. Smirnov

A method developed from the Dualized Standard Model for calculating the quark CKM matrix and masses is applied to the parallel problem in neutrino oscillations. Taking the parameters determined from quarks and the masses of two neutrinos:…

High Energy Physics - Phenomenology · Physics 2010-11-23 J Bordes , HM Chan , J. Pfaudler , ST Tsou