Superluminal neutrinos from Lorentz-violating dimension-5 operators

被引：0
|
作者：
C. A. G. Almeida
M. A. Anacleto
F. A. Brito
E. Passos
机构：
[1] Universidade Federal de Campina Grande,Departamento de Física
[2] Universidade Federal da Paraíba,Departamento de Ciências Exatas
来源：
The European Physical Journal C | 2012年 / 72卷
关键词：
Dispersion Relation; Planck Scale; Vacuum Expectation Value; Light Speed; Neutrino Sector;
D O I：
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中图分类号：
学科分类号：
摘要：
We consider Lorentz- and CPT-violating dimension-5 operators to address the issue of superluminal neutrinos recently pointed out in OPERA experiments. We assume these operators in the photon and neutrino sectors to be coupled to Lorentz-violating backgrounds in a preferred frame defined by a time-like direction. We show that such operators can produce a curve with OPERA’s slope that fits OPERA, MINOS and supernova SN1987a data.
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