2-NU-BETA-BETA MATRIX-ELEMENTS AND THE COMPETITION BETWEEN SPIN-FLIP AND NON-SPIN-FLIP CHANNELS IN REALISTIC CALCULATIONS

Authors
AUNOLA M CIVITARESE O KAUHANEN J SUHONEN J
Citation
M. Aunola et al., 2-NU-BETA-BETA MATRIX-ELEMENTS AND THE COMPETITION BETWEEN SPIN-FLIP AND NON-SPIN-FLIP CHANNELS IN REALISTIC CALCULATIONS, Nuclear physics. A, 596(2), 1996, pp. 187-198
Citations number
15
Categorie Soggetti
Physics, Nuclear
Journal title
Nuclear physics. A → ACNP
ISSN journal
03759474
Volume
596
Issue
2
Year of publication
1996
Pages
187 - 198
Database
ISI
SICI code
0375-9474(1996)596:2<187:2MATCB>2.0.ZU;2-4
Abstract
Nuclear matrix elements for the two-neutrino double beta decay (2 nu b eta beta) ground-state transitions of Ge-76 and Te-130 are analyzed in relation with spin-flip and non-spin-flip degrees of freedom. The cal culations have been performed using realistic interactions in the fram ework of the quasiparticle random-phase approximation. Present results confirm the findings of schematic models concerning the competition b etween these degrees of freedom.