Probing nonunitary mixing and CP violation at a neutrino factory

被引：83

作者：

Antusch, Stefan ^{[1
]}

Blennow, Mattias ^{[1
]}

Fernandez-Martinez, Enrique ^{[1
]}

Lopez-Pavon, Jacobo ^{[2
]}

机构：

[1] Max Planck Inst Phys Werner Heisenberg Inst, D-80805 Munich, Germany

[2] Univ Autonoma Madrid, CSIC, Inst Fis Teor, E-28049 Madrid, Spain

来源：

PHYSICAL REVIEW D | 2009年 / 80卷 / 03期

关键词：

OSCILLATION EXPERIMENTS; PHYSICS; SIMULATION; GOLDEN; MASS;

D O I：

10.1103/PhysRevD.80.033002

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

A low-energy nonunitary leptonic mixing matrix is a generic feature of many extensions of the standard model. In such a case, the task of future precision neutrino oscillation experiments is more ambitious than measuring the three mixing angles and the leptonic (Dirac) CP phase, i.e., the accessible parameters of a unitary leptonic mixing matrix. A nonunitary mixing matrix has 13 parameters that affect neutrino oscillations, out of which four are CP violating. In the scheme of minimal unitarity violation we analyze the potential of a neutrino factory for determining or constraining the parameters of the nonunitary leptonic mixing matrix, thereby testing the origin of CP violation in the lepton sector.

引用

页数：11

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