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

By Fedor Simkovic, A. Faessler, H. Muther, V. Rodin, Markus Stauf. 2009

159 citations recorded by the source corpus.

A self-consistent calculation of nuclear matrix elements of the neutrinoless double-beta decays (0{nu}{beta}{beta}) of {sup 76}Ge, {sup 82}Se, {sup 96}Zr, {sup 100}Mo, {sup 116}Cd, {sup 128}Te, {sup 130}Te, and {sup 136}Xe 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 the 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 0{nu}{beta}{beta} decay are obtained that 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 0{nu}{beta}{beta}-decay matrix elements.

Subfields: Nuclear and High Energy Physics

View Paper: https://www.semanticscholar.org/paper/53c77febe5a5a9dbecfc0816bda750378ad6bb5d

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In Nuclear and High Energy Physics

1. J. Lopez-Pavon
2. Mattias Blennow
3. Enrique Fernandez-Martinez
4. M. Tórtola

Citations in the corpus

• Lepton number and flavour violation in TeV-scale left-right symmetric theories with large left-right mixing (2013, unknown): “ 3.0 EXO 1.6 KamLAND-Zen 1.9 Combined 136Xe 3.4 Table 4: 76Ge and 136Xe matrix elements for light neutrino exchange (M0ν ν ) rescaled for gA = 1.25 and r0 = 1.1 fm. Isotope NSM (UCOM) [93] QRPA (CCM) [94] IBM (Jastrow) [95] 76Ge 2.58 4.07–6.64 4.25–5.07 136Xe 2.00 1.57–3.24 3.07 Table 5: Same as Tab”
• Neutrinoless double beta decay in seesaw models (2010, background): “This has only been performed very recently [57, 58].”