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|Paper IPM / P / 15441||
Non-Standard Interactions (NSI) of neutrinos with matter has received renewed interest in recent years. In particular, it has been shown that NSI can reconcile the 3+1 solution with IceCube atmospheric data with Eν > 500 GeV, provided that the effective coupling of NSI is large, e.g. ∼ 6 GF. The main goal of the present paper is to show that contrary to intuition, it is possible to build viable models with large NSI by invoking a new U(1) gauge symmetry with gauge boson of mass ∼ 10 eV. We refer to these new constructions as 3+1+ U(1) models. In the framework of a 3+1 solution to LSND and MiniBooNE anomalies, we show that this novel NSI can help to solve the tension with cosmological bounds and constraints from IceCube atmospheric data with Eν > 500 GeV.
We then discuss the implications of the MINOS and MINOS+ results for the 3+1+U(1) scenario.
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