Neutrinoless double beta decay within the quasiparticle random-phase approximation with proton-neutron

被引：196

作者：

Pantis, G ^{[1
]}

Simkovic, F ^{[1
]}

Vergados, JD ^{[1
]}

Faessler, A ^{[1
]}

机构：

[1] UNIV TUBINGEN, INST THEORET PHYS, D-72076 TUBINGEN, GERMANY

来源：

PHYSICAL REVIEW C | 1996年 / 53卷 / 02期

关键词：

D O I：

10.1103/PhysRevC.53.695

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：

We have investigated the role of proton-neutron pairing in the context of the quasiparticle random phase approximation formalism. This way the neutrinoless double beta decay matrix elements of the experimentally interesting A = 48, 76, 82, 96, 100, 116, 128, 130, and 136 systems have been calculated. We have found that the inclusion of proton-neutron pairing influences the neutrinoless double beta decay rates significantly, in all cases allowing for larger values of the expectation value of light neutrino masses. Using the best presently available experimental limits on the half lifetime of neutrinoless double beta decay we have extracted the limits on lepton number violating parameters.

引用

页码：695 / 707

页数：13

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