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arxiv: 1412.0461 · v1 · pith:XWTB4UARnew · submitted 2014-12-01 · ✦ hep-ph · hep-ex

Using MiniBooNE NCEL and CCQE cross section results to constrain 3+1 sterile neutrino models

classification ✦ hep-ph hep-ex
keywords neutrinosterilecross-sectionlimitsmodelccqedeltaminiboone
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The MiniBooNE NCEL and CCQE cross-section measurements (neutrino running) are used to set limits in the $\Delta m^{2}-\sin^{2}\vartheta_{\mu s}$ plane for a 3+1 sterile neutrino model with a mass splitting $0.1 \leq \Delta m^{2} \leq 10.0$ eV$^{2}$. GENIE is used, with a relativistic Fermi gas model, to relate $E_{\nu}$ and the reconstructed quantities measured. The issue of uncertainty in the underlying cross-section model and its effect on the sterile neutrino limits is explored, and robust sterile neutrino limits are produced by fitting the sterile parameters and the axial-mass cross-section parameter simultaneously.

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