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Related papers: Getting Information on |U_{e3}|^2 from Neutrino-le…

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We point out under the assumption of Majorana neutrinos that a lower bound on the MNS matrix element |U_{e3}|^2 can be derived by using constraint imposed by neutrinoless double beta decay experiments and by positive detection of neutrino…

High Energy Physics - Phenomenology · Physics 2009-11-07 Hisakazu Minakata , Hiroaki Sugiyama

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

There are three observables related to neutrino mass, namely the kinematic mass in direct searches, the effective mass in neutrino-less double beta decay, and the sum of neutrino masses in cosmology. In the limit of exactly degenerate…

High Energy Physics - Phenomenology · Physics 2010-05-12 Werner Rodejohann

The discovery of neutrino masses has raised the importance of studies in the context of neutrinoless double beta decay, which constitutes a landmark for lepton number violation. The standard interpretation is that the light massive…

High Energy Physics - Phenomenology · Physics 2018-05-25 A. C. O. Santos , P. Vasconcelos

We present a framework to combine data from the latest neutrinoless double-beta decay experiments for multiple isotopes and derive a limit on the effective neutrino mass using the experimental energy distributions. The combined limits on…

High Energy Physics - Experiment · Physics 2015-06-12 Pawel Guzowski , Luke Barnes , Justin Evans , Georgia Karagiorgi , Nathan McCabe , Stefan Soldner-Rembold

Using a three neutrino framework we investigate bounds for the effective Majorana neutrino mass matrix. The mass measured in neutrinoless double beta decay is its (11) element. Lepton-number and -flavor violating processes sensitive to each…

High Energy Physics - Phenomenology · Physics 2011-02-07 W. Rodejohann

We show that in the framework of three light neutrino species with hierarchical masses and assuming no fine tuning between the entries of the neutrino mass matrix, one can use the solar neutrino data to obtain information on the element…

High Energy Physics - Phenomenology · Physics 2008-11-26 E. Kh. Akhmedov , G. C. Branco , M. N. Rebelo

We have analyzed the results of the latest terrestrial neutrino oscillation experiments in the framework of a model with mixing of three massive neutrinos and a neutrino mass hierarchy ($ m_1 << m_2 << m_3 $). In this model, oscillations of…

High Energy Physics - Phenomenology · Physics 2009-12-30 S. M. Bilenky , A. Bottino , C. Giunti , C. W. Kim

Neutrinoless double beta decay is the most powerful tool to probe not only for Majorana neutrino masses but for lepton number violating physics in general. We discuss relations between lepton number violation, double beta decay and neutrino…

High Energy Physics - Phenomenology · Physics 2015-06-11 Frank F. Deppisch , Martin Hirsch , Heinrich Päs

A generalisation of the neutrinoless double beta decay process is presented. Neutrinoless double beta decay measures only one out of nine possible effective Majorana neutrino masses in case of three flavours. Limits obtained for all the…

High Energy Physics - Phenomenology · Physics 2007-05-23 K. Zuber

Neutrinoless double decay is a unique probe for lepton number conservation and neutrino properties. It allows to investigate the Dirac/Majorana nature of the neutrinos and their absolute mass scale (hierarchy problem) with unprecedented…

Nuclear Experiment · Physics 2015-06-12 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

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

The search for neutrinoless double-beta decay is important in determining the Majorana nature of the neutrino, and also in establishing if lepton number is violated. In this work, we combine the published data from five independent…

High Energy Physics - Experiment · Physics 2015-05-01 Pawel Guzowski

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

We propose a flexible and model independent parametrization of the neutrino mixing matrix, which takes advantage of the fact that there are up to three small quantities in neutrino mixing phenomenology: (i) the deviation from maximal mixing…

High Energy Physics - Phenomenology · Physics 2008-11-26 W. Rodejohann

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

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

The predictions for the effective Majorana mass |<m>| in neutrinoless double-beta decay in the case of 3-neutrino mixing and massive Majorana neutrinos are reviewed. The physics potential of the experiments, searching for neutrinoless…

High Energy Physics - Phenomenology · Physics 2007-05-23 S. Pascoli , S. T. Petcov

Neutrinoless double-$\beta$ decay is of fundamental importance for the determining neutrino mass. By combining a calculation of nuclear matrix elements within the framework of the microscopic interacting boson model (IBM-2) with an improved…

Nuclear Theory · Physics 2015-06-30 J. Barea , J. Kotila , F. Iachello
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