Uncertainty in the 0νββ decay nuclear matrix elements -: art. no. 044302

被引：195

作者：

Rodin, VA ^{[1
]}

Faessler, A

Simkovic, F

Vogel, P

机构：

[1] Univ Tubingen, Inst Theoret Phys, D-72076 Tubingen, Germany

[2] Comenius Univ, Dept Nucl Phys, Bratislava, Slovakia

[3] CALTECH, Dept Phys 106 38, Pasadena, CA 91125 USA

[4] Charles Univ Prague, Inst Nucl & Particle Phys, Prague, Czech Republic

来源：

PHYSICAL REVIEW C | 2003年 / 68卷 / 04期

关键词：

D O I：

10.1103/PhysRevC.68.044302

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

The nuclear matrix elements M-0nu of the neutrinoless double-beta decay (0nubetabeta) are evaluated for Ge-76, Mo-100, Te-130, and Xe-136 within the renormalized quasiparticle random phase approximation (RQRPA) and the simple QRPA. Three sets of single particle level schemes are used, ranging in size from 9 to 23 orbits. When the strength of the particle-particle interaction is adjusted so that the 2nubetabeta decay rate is correctly reproduced, the resulting M-0nu values become essentially independent of the size of the basis, and of the form of different realistic nucleon-nucleon potentials. Thus, one of the main reasons for variability of the calculated M-0nu within these methods is eliminated.

引用

页码：443021 / 443025

页数：5

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