Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2011-06-29
Phys.Lett.B702:154-157,2011
Physics
High Energy Physics
High Energy Physics - Phenomenology
9 pages, 4 figures, references added, accepted for publication in PLB
Scientific paper
10.1016/j.physletb.2011.06.084
Recently, the MINOS collaboration reported an anomaly that the mass-squared difference and mixing angle of $\bar{\nu}_\mu$ $\leftrightarrow$ $\bar{\nu}_\tau$ are both different from that of $\nu_\mu$ $\leftrightarrow$ $\nu_\tau$. In this paper, based on the framework of neutrino oscillations, terms that break the Lorentz symmetry are used as perturbation to explain this anomaly and satisfactory results are got. Remarkably, some surprising conclusions, one of which is that in the high energy limit (hundreds of GeV) neutrino oscillation pattern will be independent of energy, are also arrived.
Liu Chun
Tian Jin-tao
Zhao Zhen-Hua
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