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5 papers · 2 filters
Shell model studies of the neutrinoless double-beta decay
Andrei Neacsu, Mihai Horoi
Most uncertainties regarding the theoretical study of the neutrinoless double-beta decay are related to the accuracy of the nuclear matrix elements that appear in the expressions o…
Accurate shell-model nuclear matrix elements for neutrinoless double-beta decay
R. A. Sen'kov, M. Horoi
We investigate a novel method of accurate calculation of the neutrinoless double- decay shell-model nuclear matrix elements for the experimentally relevant case of Ge. We…
Nuclear Structure Aspects of Neutrinoless Double Beta Decay
B. A. Brown, M. Horoi, R. A. Sen'kov
We decompose the neutrinoless double-beta decay matrix elements into sums of products over the intermediate nucleus with two less nucleons. We find that the sum is dominated by the…
Low-energy magnetic radiation: deviations from GOE
S. Frauendorf, R. Schwengner, K. Wimmer
A pronounced spike at low energy in the strength function for magnetic radiation (LEMAR) is found by means of Shell Model calculations, which explains the experimentally observed e…
Neutrinoless double- decay of Se in the shell model: beyond closure approximation
R. A. Sen'kov, M. Horoi, B. A. Brown
We recently proposed a new method to calculate the standard nuclear matrix elements for neutrinoless double- decay () of Ca going beyond the closure approximation…