scholarly journals Renormalized quasiparticle random phase approximation and double beta decay: A critical analysis of double Fermi transitions

1996 ◽  
Vol 54 (4) ◽  
pp. 1976-1981 ◽  
Author(s):  
Jorge G. Hirsch ◽  
Peter O. Hess ◽  
Osvaldo Civitarese
Keyword(s):  
Beta Decay ◽  
Critical Analysis ◽  
Random Phase Approximation ◽  
Random Phase ◽  
Double Beta Decay ◽  
Phase Approximation ◽  
Quasiparticle Random Phase Approximation

scholarly journals Fundamental nuclear structure symmetries in double beta decay processes

2020 ◽  
Vol 9 ◽  
pp. 211
Author(s):  
O. Civitarese
Keyword(s):  
Nuclear Structure ◽  
Beta Decay ◽  
Random Phase Approximation ◽  
Body Problem ◽  
Random Phase ◽  
Double Beta Decay ◽  
Phase Approximation ◽  
Many Body ◽  
Quasiparticle Random Phase Approximation ◽  
Fundamental Symmetries

The nuclear structure physics of double beta decay transitions is reviewed starting from the consideration of fundamental symmetries of the nuclear many body problem. The problems found in the use of the Quasiparticle Random Phase Approximation (QRPA) and related approximations, in dealing with the calculation of nuclear double beta decay observables, are understood in terms of the mixing between isospin collective and intrinsic variables.

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