Addendum to: QRPA uncertainties and their correlations in the analysis of neutrinoless double beta decay

Abstract

In a previous article [Phys. Rev. D 79, 053001 (2009)] we estimated the correlated uncertainties associated to the nuclear matrix elements (NME) of neutrinoless double beta decay (0 nu beta beta) within the quasiparticle random phase approximation (QRPA). Such estimates encompass recent independent calculations of NMEs, and can thus still provide a fair representation of the nuclear model uncertainties. In this context, we compare the claim of 0 nu beta beta decay in Ge-76 with recent negative results in Xe-136 and in other nuclei, and we infer the lifetime ranges allowed or excluded at 90% C.L. We also highlight some issues that should be addressed in order to properly compare and combine results coming from different 0 nu beta beta decay candidate nuclei.

arXiv comment8 pages, including 4 figures

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Cited by in corpus (7)

• Neutrinoless Double-Beta Decay: a Probe of Physics Beyond the Standard Model
• Constraining Neutrino Mass from Neutrinoless Double Beta Decay
• The Effect of Cancellation in Neutrinoless Double Beta Decay
• Degeneracies of particle and nuclear physics uncertainties in neutrinoless double beta decay
• How to interpret a discovery or null result of the $0\nu 2\beta$ decay
• Half-life Expectations for Neutrinoless Double Beta Decay in Standard and Non-Standard Scenarios
• Interplay between non-interfering neutrino exchange mechanisms and nuclear matrix elements in $0\nu \beta \beta$ decay