0{nu}{beta}{beta}-decay nuclear matrix elements with self-consistent short-range correlations

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...

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Veröffentlicht in:Physical review. C, Nuclear physics Nuclear physics, 2009-05, Vol.79 (5)
Hauptverfasser: Simkovic, Fedor, Bogoliubov Laboratory of Theoretical Physics, JINR, RU-141 980 Dubna, Moscow region, Department of Nuclear Physics, Comenius University, Mlynska dolina F1, SK-842 15 Bratislava, Faessler, Amand, Muether, Herbert, Rodin, Vadim, Stauf, Markus
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Sprache:eng
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Zusammenfassung: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.
ISSN:0556-2813
1089-490X
DOI:10.1103/PHYSREVC.79.055501