Physics – Nuclear Physics – Nuclear Theory
Scientific paper
2003-08-12
Phys.Rev.C68:064310,2003; Erratum-ibid.C75:059902,2007
Physics
Nuclear Physics
Nuclear Theory
20 pages, 8 figures
Scientific paper
10.1103/PhysRevC.68.064310
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 $^{76}$Ge, $^{82}$Se, $^{100}$Mo, $^{116}$Cd, $^{128}$Te and $^{130}$Xe. The results obtained are compared with those of other approaches, standard QRPA and self-consistent QRPA (SCQRPA). The similarities and the differences among the methods are discussed. The influence of the restoration of the Ikeda sum rule on the $2\nu\beta\beta$-decay amplitude is analyzed.
Faessler Amand
Pacearescu Larisa
Rodin Vadim
Simkovic Fedor
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