The 0nbb-decay nuclear matrix elements with self-consistent short-range correlations

Details The 0nbb-decay nuclear matrix elements with self-consistent short-range correlations The 0nbb-decay nuclear matrix elements with self-consistent short-range correlations

2009-02-02

arxiv.org/abs/0902.0331v1

Phys.Rev.C79:055501,2009

Physics

Nuclear Physics

Nuclear Theory

11 pages, 5 figures

Scientific paper

10.1103/PhysRevC.79.055501

A self-consistent calculation of nuclear matrix elements of the neutrinoless double beta decays (0nbb) of 76Ge, 82Se, 96Zr, 100Mo, 116Cd, 128Te, 130Te and 130Xe is presented in the framework of the renormalized quasiparticle random phase approximation (RQRPA) and the standard QRPA. The pairing and residual interactions as well as the two-nucleon short-range correlations are for the first time derived from the same modern realistic nucleon-nucleon potentials, namely from charge-dependent Bonn potential (CD-Bonn) and the Argonne V18 potential. In a comparison with the traditional approach of using the Miller-Spencer Jastrow correlations matrix elements for the 0nbb-decay are obtained, which are larger in magnitude. We analyze the differences among various two-nucleon correlations including those of the unitary correlation operator method (UCOM) and quantify the uncertainties in the calculated 0nbb-decay matrix elements.

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