Probing flavor models with Ge-76-based experiments on neutrinoless double-beta decay

Abstract

The physics impact of a staged approach for double-beta decay experiments based on Ge-76 is studied. The scenario considered relies on realistic time schedules envisioned by the GERDA and the MAJORANA collaborations, which are jointly working towards the realization of a future larger scale Ge-76 experiment. Intermediate stages of the experiments are conceived to perform quasi background-free measurements, and different data sets can be reliably combined to maximize the physics outcome. The sensitivity for such a global analysis is presented, with focus on how neutrino flavor models can be probed already with preliminary phases of the experiments. The synergy between theory and experiment yields strong benefits for both sides: the model predictions can be used to sensibly plan the experimental stages, and results from intermediate stages can be used to constrain whole groups of theoretical scenarios. This strategy clearly generates added value to the experimental efforts, while at the same time it allows to achieve valuable physics results as early as possible.

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• A Global Bayesian Analysis of Neutrino Mass Data
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• Renormalisation Group Corrections to Neutrino Mass Sum Rules
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• A Survey of Neutrino Flavor Models and the Neutrinoless Double Beta Decay Funnel
• Renormalisation Group Corrections to Neutrino Mixing Sum Rules
• Leptonic Sum Rules from Flavour Models with Modular Symmetries
• Determination of neutrino mass ordering in future ${}^{76}$Ge-based neutrinoless double-beta decay experiments
• A neutrino mass-mixing sum rule from SO(10) and neutrinoless double beta decay
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• On the textures of neutrino mass matrix for maximal atmospheric mixing angle and Dirac CP phase
• Neutrino Mass Sum Rules