Neutrinoless Double-Beta Decay and Realistic Shell Model
Dipartimento di Matematica e Fisica, Università degli Studi della Campania “Luigi Vanvitelli”,
viale Abramo Lincoln 5
2 Istituto Nazionale di Fisica Nucleare Complesso Universitario di Monte S. Angelo, Via Cintia, I-80126 Napoli Italy
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Published online: 4 December 2019
We report on the calculation of the neutrinoless double-ß decay nuclear matrix element for 76Ge within the framework of the realistic shell model. The effective shell-model Hamiltonian and the two-body transition operator describing the decay are derived by way of many-body perturbation theory. Particular attention is focused on the role played by the so-called Pauli blocking effect in the derivation of the effective operator.
© The Authors, published by EDP Sciences, 2019
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