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Gamow-Teller strength distributions in the double-beta decay partners 128,130Te and 128,130Xe

AuthorsSarriguren, Pedro ; Moreno, Óscar ; Moya de Guerra, Elvira
KeywordsSelfconsistent deformed Skyrme Hartree-Fock and QRPA
Gamow-Teller strength
Charge-exchange reactions.
Issue Date2013
PublisherEditura Academiei Române
CitationRomanian Journal in Physics 58: 1242- 1250 (2013)
AbstractWe investigate the Gamow-Teller (GT) strength distributions in the double-β decaying nuclei 128Te and 130Te, as well as in their respective partners 128Xe and 130Xe. Theoretical calculations based on a deformed quasiparticle random phase approximation built on Skyrme selfconsistent mean fields are compared with measured GT- strength distributions extracted from high energy resolution charge-exchange reactions 128Te(3He; t)128I and 130Te(3He; t)130I. Combining these results with calculated GT+ strength distributions in the Xe isotopes, the nuclear matrix elements for the two-neutrino double-β decay processes are evaluated and compared to experiment.
Identifiersissn: 1221-146X
Appears in Collections:(CFMAC-IEM) Artículos
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