SO(10) GRAND UNIFICATION MODEL FOR DEGENERATE NEUTRINO MASSES

被引：93

作者：

IOANNISSYAN, A

VALLE, JWF

机构：

[1] Instituto di Física Corpuscular - C.S.I.C., Departament de Física Teòrica, Universitat de València, 46100 Burjassot, València

来源：

PHYSICS LETTERS B | 1994年 / 332卷 / 1-2期

关键词：

D O I：

10.1016/0370-2693(94)90864-8

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We propose an SO(10) scheme where neutrino masses can simultaneously explain the solar and atmospheric neutrino deficits, together with a hot dark matter component. In our scheme the nu(e), nu(mu), and nu(tau) are approximately degenerate with a mass of about 2 eV, which can lead to an observable neutrinoless double beta decay rate. The model is based on a realization of the seesaw mechanism in which the main contribution to the light neutrino masses is universal, due to a suitable SU(2) horizontal symmetry, while the splittings between nu(e) and nu(mu) explain the solar neutrino deficit and that between nu(mu) and nu(tau) explain the atmospheric neutrino anomaly.

引用

页码：93 / 99

页数：7

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