Probing Majorana neutrino CP phases and masses in neutrino-antineutrino conversion

被引：10

作者：

Delepine, David ^{[2
]}

Gonzalez Macias, Vannia ^{[2
]}

Khalil, Shaaban ^{[1
]}

Lopez Castro, Gabriel ^{[3
]}

机构：

[1] British Univ Egypt, Ctr Theoret Phys, El Sherouk City 11837, Egypt

[2] Univ Guanajuato, Dept Fis, Guanajuato 37150, Mexico

[3] CINVESTAV, Dept Fis, Mexico City 07000, DF, Mexico

来源：

PHYSICS LETTERS B | 2010年 / 693卷 / 04期

关键词：

Neutrino oscillation; CP Majorana phase; Long base; Minos; VIOLATION; OSCILLATIONS; PHYSICS; MINOS;

D O I：

10.1016/j.physletb.2010.08.068

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We propose a new strategy for detecting the CP-violating phases and the effective mass of muon Majorana neutrinos by measuring observables associated with neutrino-antineutrino oscillations in pi(+/-) decays. Within the generic framework of quantum field theory, we compute the non-factorizable probability for producing a pair of same-charged muons in pi(+/-) decays as a distinctive signature of nu(mu) - (nu) over bar (mu) oscillations. We show that an intense neutrino beam through a long baseline experiment is favored for probing the Majorana phases. Using the neutrino-antineutrino oscillation probability reported by MINOS Collaboration, a new stringent bound on the effective muon-neutrino mass is derived. (C) 2010 Elsevier B.V. All rights reserved.

引用

页码：438 / 442

页数：5

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