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Proton pair correlations and the neutrinoless double-beta decay of Ge-76

Roberts, A.; Howard, A.M.; Kolata, J.J.; Villano, A.N.; Becchetti, F.D.; De Young, P A; Febbraro, M.; Freeman, S J; Kay, B.P.; McAllister, S.A.; Mitchell, Alan; Schiffer, J.P.; Thomas, J S; Thomas, J.S.; Torres-Isea, R.O.


Proton pair correlations relevant for the neutrinoless double-β decay of 76Ge have been probed via the 74,76Ge(3He,n) reactions at 16 MeV. No evidence for pairing vibrations in either nucleus is observed at sensitivity limits of ∼6% and ∼19% of the ground-state strength in 76Se and 78Se, respectively. These results are relevant for the understanding of matrix elements for neutrinoless double-β decay. The lack of pairing vibrations is consistent with a simple BCS structure for the ground...[Show more]

CollectionsANU Research Publications
Date published: 2013
Type: Journal article
Source: Physical Review C: Nuclear Physics
DOI: 10.1103/PhysRevC.87.051305
Access Rights: Open Access


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