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20 April 2024 |
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Addendum to: QRPA uncertainties and their correlations in the analysis of neutrinoless double beta decay | | Amand Faessler
; G.L. Fogli
; E. Lisi
; V. Rodin
; A.M. Rotunno
; F. Simkovic
; | | Date: |
7 Jan 2013 | | 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. | | Source: | arXiv, 1301.1587 | | Services: | Forum | Review | PDF | Favorites | |
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