Document Type

Article

Publication Date

5-26-2009

Abstract

We report the first observation of off-axis neutrino interactions in the MiniBooNE detector from the NuMI beam line at Fermilab. The MiniBooNE detector is located 745m from the NuMI production target, at 110mrad angle (6.3°) with respect to the NuMI beam axis. Samples of charged-current quasielastic νμ and νe interactions are analyzed and found to be in agreement with expectation. This provides a direct verification of the expected pion and kaon contributions to the neutrino flux and validates the modeling of the NuMI off-axis beam. © 2009 The American Physical Society.

Publication Source (Journal or Book title)

Physical Review Letters

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