Electrophobic Lorentz invariance violation for neutrinos and the see-saw mechanism

被引：22

作者：

Choubey, S ^{[1
]}

King, SF

机构：

[1] Ist Nazl Fis Nucl, Sez Trieste, Trieste, Italy

[2] Scuola Int Super Studi Avanzati, I-34014 Trieste, Italy

[3] Univ Southampton, Dept Phys & Astron, Southampton S017 1BJ, Hants, England

来源：

PHYSICS LETTERS B | 2004年 / 586卷 / 3-4期

关键词：

D O I：

10.1016/j.physletb.2004.02.047

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We show how Lorentz invariance violation (LIV) can occur for Majorana neutrinos, without inducing LIV in the charged leptons via radiative corrections. Such "electrophobic" LIV is due to the Majorana nature of the LIV operator together with electric charge conservation. Being free from the strong constraints coming from the charged lepton sector, electrophobic LIV can in principle be as large as current neutrino experiments permit. On the other hand, electrophobic LIV could be naturally small if it originates from LIV in some singlet "right-handed neutrino" sector, and is felt in the physical left-handed neutrinos via a see-saw mechanism. We develop the formalism appropriate to electrophobic LIV for Majorana neutrinos, and discuss experimental constraints at current and future neutrino experiments. (C) 2004 Published by Elsevier B.V.

引用

页码：353 / 365

页数：13

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