Neutrinoless double-β decay of 150Nd accounting for deformation

被引：40
|
作者：
Fang, Dong-Liang [1 ]
Faessler, Amand [1 ]
Rodin, Vadim [1 ]
Simkovic, Fedor [2 ,3 ]
机构：
[1] Univ Tubingen, Inst Theoret Phys, D-72076 Tubingen, Germany
[2] JINR, BLTP, Dubna, Russia
[3] Comenius Univ, Dept Nucl Phys, SK-84215 Bratislava, Slovakia
来源：
PHYSICAL REVIEW C | 2010年 / 82卷 / 05期
关键词：
MASSES;
D O I：
10.1103/PhysRevC.82.051301
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：
A microscopic state-of-the-art calculation of the nuclear matrix element for neutrinoless double-beta decay of Nd-150 with an account for nuclear deformation is performed. The proton-neutron quasiparticle random phase approximation (QRPA) with a realistic residual interaction [the Brueckner G matrix derived from the charge-dependent Bonn (Bonn-CD) nucleon-nucleon potential] is used as the underlying nuclear structure model. The present calculated matrix element is suppressed by about 40% as compared with our previous QRPA result for Nd-150 obtained with neglect of deformation. By making use of this newest nuclear matrix element, one may conclude that neutrinoless double-beta decay of Nd-150, to be measured soon by the SNO+ collaboration, provides one of the best probes of the Majorana neutrino mass.
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页数：4
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