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Bayesian modeling techniques enable sensitivity analyses that incorporate detailed expectations regarding future experiments. A model-based approach also allows one to evaluate inferences and predicted outcomes, by calibrating (or…

We present updated values for the mass-mixing parameters relevant to neutrino oscillations, with particular attention to emerging hints in favor of theta_13>0. We also discuss the status of absolute neutrino mass observables, and a possible…

High Energy Physics - Phenomenology · Physics 2008-09-19 G. L. Fogli , E. Lisi , A. Marrone , A. Palazzo , A. M. Rotunno

We investigate constraints on neutrino mass ordering and degeneracy by considering the first cosmological result based on Planck measurements of the cosmic microwave background. It is shown that the result at 95% CL rejects a neutrino mass…

High Energy Physics - Phenomenology · Physics 2015-06-15 Naoyuki Haba , Ryo Takahashi

Motivated by recent intensive experimental efforts on searching for neutrinoless double-beta decays, we perform a detailed analysis of the physics potential of the experiments based on $^{76}\mathrm{Ge}$. Assuming no signals, current and…

High Energy Physics - Phenomenology · Physics 2016-01-20 Jue Zhang , Shun Zhou

The question of neutrino mass is one of the major riddles in particle physics. Recently, strong evidence that neutrinos have nonzero masses has been found. While tiny, these masses could be large enough to contribute significantly to the…

High Energy Physics - Phenomenology · Physics 2008-12-18 Peter Fisher , Boris Kayser , Kevin S. McFarland

Absolute values of the neutrino mass are not known still now although their upper bounds are constrained through several experiments and observations. Recent analyses of cosmological observations present severe constraint on the sum of…

High Energy Physics - Phenomenology · Physics 2025-03-18 Daijiro Suematsu

In this lecture we review some of the basic properties of neutrinos, in particular their mass and the oscillation behavior. First we discuss how to describe the neutrino mass. Then, under the assumption that neutrinos are massive and mixed,…

High Energy Physics - Phenomenology · Physics 2007-05-23 C. W. Kim

The relation between neutrino oscillation parameters and neutrinoless double beta decay is studied, assuming normal and inverse hierarchies for Majorana neutrino masses. For normal hierarchy the crucial dependence on U_{e3} is explored. The…

High Energy Physics - Phenomenology · Physics 2009-11-07 D. Falcone , F. Tramontano

Neutrinos being massive could undergo non-radiative decay, a property for which the diffuse supernova neutrino background has a unique sensitivity. We extend previous analyses to explore our ability to disentangle predictions for the…

High Energy Physics - Phenomenology · Physics 2024-12-20 Noah Roux , M. Cristina Volpe

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

The configuration of the three neutrino masses can take two forms, known as the normal and inverted hierarchies. We compute the Bayesian evidence associated with these two hierarchies. Previous studies found a mild preference for the normal…

Cosmology and Nongalactic Astrophysics · Physics 2019-04-15 Fergus Simpson , Raul Jimenez , Carlos Pena-Garay , Licia Verde

The neutrino mass hierarchy, i.e., whether the $\nu_3$ neutrino mass eigenstate is heavier or lighter than the $\nu_1$ and $\nu_2$ mass eigenstates, is one of the remaining undetermined fundamental features of the neutrino Standard Model.…

High Energy Physics - Experiment · Physics 2015-07-01 X. Qian , P. Vogel

Implicaion of the neutrino oscillation search for the neutrino mass square difference and mixing are discussed. We have considered the effective majorana mass m_{ee}, related for \beta\beta_{0\nu}decay. We find limits for neutrino mass…

High Energy Physics - Phenomenology · Physics 2015-05-28 K. Chaturvedi , Bipin Singh Koranga , Vinod Kumar

Neutrinos can play an important role in the evolution of the Universe, modifying some of the cosmological observables. In this contribution we summarize the main aspects of cosmological relic neutrinos and we describe how the precision of…

High Energy Physics - Phenomenology · Physics 2012-12-27 Julien Lesgourgues , Sergio Pastor

Recent neutrino experiment results show a preference for the normal neutrino mass ordering. The global efforts to search for neutrinoless double beta decays undergo a broad gap with the approach to the prediction in the three-neutrino…

High Energy Physics - Phenomenology · Physics 2019-01-30 C. H. Jang , B. J. Kim , Y. J. Ko , K. Siyeon

After a brief introduction to neutrino mass via the see-saw model I discuss neutrino mixing and oscillation, first in vacuum and then its matter enhancement. Then the solar and atmospheric neutrino oscillation data are briefly reviewed.…

High Energy Physics - Phenomenology · Physics 2009-10-31 D. P. Roy

In the latest of a series of papers (arXiv:2410.21850), it has been claimed that neutrinos cannot oscillate as a consequence of their mass mixing. I clarify that this arises from the unrealistic assumption that neutrinos will always be in…

High Energy Physics - Phenomenology · Physics 2024-11-05 James M. Cline

Neutrino masses are yet unknown. We discuss the present state of effective electron anti-neutrino mass from $\beta$ decay experiments; effective Majorana neutrino mass from neutrinoless double-beta decay experiments; neutrino mass squared…

High Energy Physics - Experiment · Physics 2023-10-31 Jyotsna Singh , M. Ibrahim Mirza

The fact that neutrinos are massive has been the most crucial evidence of physics beyond the Standard Model of elementary particles. To date, we still do not know how neutrinos get mass and why their mass is much smaller than that of their…

High Energy Physics - Phenomenology · Physics 2021-11-24 Son Cao , N. T. Hong Van , T. V. Ngoc , P. T. Quyen

Neutrino physics is nowadays receiving more and more attention as a possible source of information for the long--standing investigation of new physics beyond the Standard Model. This is also supported by the recent change of perspectives in…

High Energy Physics - Phenomenology · Physics 2018-02-14 Luca Stanco