Neutrino oscillation constraints on neutrinoless double-beta decay

TL;DR

This paper discusses how three-neutrino oscillation data constrain the effective Majorana mass relevant for neutrinoless double-beta decay, providing an upper limit and briefly exploring four-neutrino models.

Contribution

It derives an upper bound on the Majorana mass from oscillation data within the three-neutrino framework and discusses extensions to four-neutrino schemes.

Findings

Upper bound of ~10^{-2} eV on Majorana mass from oscillation data

Constraints are consistent with existing experimental limits

Brief discussion on four-neutrino models

Abstract

It is shown that, in the framework of the scheme with three-neutrino mixing and a mass hierarchy, the results of neutrino oscillation experiments imply an upper bound of about 10^{-2} eV for the effective Majorana mass in neutrinoless double-beta decay. The schemes with four massive neutrinos are also briefly discussed.