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Proton-neutron pairing in the deformed BCS approach
Fedor Simkovic, Charal Moustakidis, Larisa Pacearescu +1
We examine isovector and isoscalar proton-neutron pairing correlations for the ground state of even-even Ge isotopes with mass number A=64-76 within the deformed BCS approach. For…
Two-neutrino double beta decay of 76Ge within deformed QRPA: A new suppression mechanism
Fedor Simkovic, Larisa Pacearescu, Amand Faessler
The effect of deformation on the two-neutrino double decay (2nbb-decay) for ground state transition 76Ge -> 76Se is studied in the framework of the deformed QRPA with separable Gam…
Two-neutrino double beta decay within Fully-Renormalized QRPA: Effect of the restoration of the Ikeda sum rule
L. Pacearescu, V. Rodin, F. Simkovic +1
The recently proposed Fully-Renormalized QRPA (FR-QRPA), which fullfils the Ikeda sum rule (ISR) exactly, is applied to the two-neutrino double beta decay of Ge, Se,…
On the uncertainty in the decay nuclear matrix elements
V. A. Rodin, Amand Faessler, F. Šimkovic +1
The nuclear matrix elements of the neutrinoless double beta decay () are evaluated for Ge,Mo, Te, and Xe within the Renormalized Quasi…
Gamow-Teller strength distributions in 76Ge and 76Se from deformed QRPA
P. Sarriguren, E. Moya de Guerra, L. Pacearescu +3
We study Gamow-Teller strength distributions of 76Ge and 76Se within a deformed QRPA formalism, which includes residual spin-isospin forces in the particle-hole and particle-partic…