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In the light of recent neutrino oscillation and non-oscillation data, we revisit the phenomenological constraints applicable to three observables sensitive to absolute neutrino masses: The effective neutrino mass in single beta decay…

High Energy Physics - Phenomenology · Physics 2008-11-26 G. L. Fogli , E. Lisi , A. Marrone , A. Melchiorri , A. Palazzo , P. Serra , J. Silk , A. Slosar

We derive upper limits on the sum of neutrino masses from an updated combination of data from Cosmic Microwave Background experiments and Galaxy Redshifts Surveys. The results are discussed in the context of three-flavor neutrino mixing and…

Astrophysics · Physics 2009-10-07 A. Melchiorri , G. L. Fogli , E. Lisi , A. Marrone , A. Palazzo , P. Serra , J. I. Silk

We have studied the correlations among the three absolute neutrino mass observables - the effective Majorana mass ($m_{ee}$) which can be obtained from neutrinoless double beta decay, the electron neutrino mass ($m_{\beta}$) which is…

High Energy Physics - Phenomenology · Physics 2021-03-31 Srubabati Goswami , Vishnudath K N

Most of what is known about neutrino masses and mixings results from studies of oscillation phenomena. We focus on those neutrino properties that are not amenable to such studies: $\Sigma $, the sum of the absolute values of the neutrino…

High Energy Physics - Phenomenology · Physics 2009-12-31 Sheldon L. Glashow

In this followup to Phys. Rev. D 75, 053001 (2007) [arXiv:hep-ph/0608060] we report updated constraints on neutrino mass-mixing parameters, in light of recent neutrino oscillation data (KamLAND, SNO, and MINOS) and cosmological observations…

High Energy Physics - Phenomenology · Physics 2010-05-12 G. L. Fogli , E. Lisi , A. Marrone , A. Melchiorri , A. Palazzo , A. M. Rotunno , P. Serra , J. Silk , A. Slosar

We determine the possible values of the effective Majorana neutrino mass $|< m > |= |\sum_j U_{ej}^2 m_j|$ in the different phenomenologically viable three and four-neutrino scenarios. The quantities $U_{\alpha j}$ ($\alpha =…

High Energy Physics - Phenomenology · Physics 2008-11-26 S. M. Bilenky , C. Giunti , W. Grimus , B. Kayser , S. T. Petcov

Within the standard three-neutrino framework, the absolute neutrino masses and their ordering (either normal, NO, or inverted, IO) are currently unknown. However, the combination of current data coming from oscillation experiments,…

High Energy Physics - Phenomenology · Physics 2017-06-07 Francesco Capozzi , Eleonora Di Valentino , Eligio Lisi , Antonio Marrone , Alessandro Melchiorri , Antonio Palazzo

Neutrino oscillation and tritium beta decay experiments taken simultaneously into account are able to access the so far imperceptible absolute neutrino masses at the electronvolt level. The neutrino mass spectrum derived in this way is…

High Energy Physics - Phenomenology · Physics 2011-02-21 M. Czakon , J. Gluza , J. Studnik , M. Zralek

In the current 3nu paradigm, flavor oscillations probe 3 mixing angles (theta_12, theta_23, theta_13), one CP phase delta, and two squared mass differences delta m^2>0 and Delta m^2, where sign(Delta m^2)=+ (-) for normal (inverted)…

High Energy Physics - Phenomenology · Physics 2021-09-29 Francesco Capozzi , Eleonora Di Valentino , Eligio Lisi , Antonio Marrone , Alessandro Melchiorri , Antonio Palazzo

We present new constraints on the neutrino Majorana masses from the current data of neutrinoless double beta decay and neutrino flavour mixing. With the latest results of $0\nu\beta\beta$ progresses from various isotopes, including the…

High Energy Physics - Phenomenology · Physics 2014-12-18 Yanqi Huang , Bo-Qiang Ma

We discuss to what extent future precision measurements of neutrino mixing observables will influence the information we can draw from a measurement of (or an improved limit on) neutrinoless double beta decay. Whereas the Delta m^2…

High Energy Physics - Phenomenology · Physics 2009-11-11 S. Choubey , W. Rodejohann

In the light of KamLAND data just released, we reanalyze and update the constraints on neutrino masses and mixing parameters, the most general ones that can be derived in three-flavor mixing scheme of neutrinos with use of the bounds…

High Energy Physics - Phenomenology · Physics 2014-11-17 Hisakazu Minakata , Hiroaki Sugiyama

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 discuss the physics potential of future tritium beta-decay experiments having a sensitivity to a neutrino mass ~\sqrt{|\Delta m^{2}_{23}|}~5x10^{-2} eV. The case of three-neutrino mixing is analised. A negative result of such an…

High Energy Physics - Phenomenology · Physics 2008-11-26 S. M. Bilenky , M. D. Mateev , S. T. Petcov

The experimental evidences in favor of oscillations of solar (and KamLAND) and atmospheric (and K2K) neutrinos are briefly reviewed and accommodated in the framework of three-neutrino mixing. The implications for the values of neutrino…

High Energy Physics - Phenomenology · Physics 2014-11-17 Carlo Giunti

We present the results of a global analysis of the neutrino oscillation data available as of fall 2018 in the framework of three massive mixed neutrinos with the goal at determining the ranges of allowed values for the six relevant…

High Energy Physics - Phenomenology · Physics 2019-02-19 Ivan Esteban , M. C. Gonzalez-Garcia , Alvaro Hernandez-Cabezudo , Michele Maltoni , Thomas Schwetz

The present experimental data on neutrino oscillations, neutrinoless double beta decay and tritium beta decay are collected together and possible mass ranges for Dirac and Majorana neutrinos are found. Four future experimental situations…

High Energy Physics - Phenomenology · Physics 2007-05-23 M. Czakon , J. Studnik , M. Zralek

After a short review of the current status of three-neutrino mixing, the implications for the values of neutrino masses are discussed. The bounds on the absolute scale of neutrino masses from Tritium beta-decay and cosmological data are…

High Energy Physics - Phenomenology · Physics 2009-11-10 Carlo Giunti

We analyze the constraints on neutrino mass spectra with extra sterile neutrinos as implied by the LSND experiment. The various mass related observables in neutrinoless double beta decay, tritium beta decay and cosmology are discussed. Both…

High Energy Physics - Phenomenology · Physics 2009-11-11 Srubabati Goswami , Werner Rodejohann

Assuming that neutrinos are Majorana particles, in a three generation framework, current and future neutrino oscillation experiments can determine six out of the nine parameters which fully describe the structure of the neutrino mass…

High Energy Physics - Phenomenology · Physics 2014-11-17 H. Nunokawa , W. J. C. Teves , R. Zukanovich Funchal
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