Title

Direct Evidence for Neutrino Flavor Transformation from Neutral-Current Interactions in the Sudbury Neutrino Observatory

Document Type

Article

Publication Date

1-1-2002

Abstract

Observations of neutral-current [Formula presented] interactions on deuterium in the Sudbury Neutrino Observatory are reported. Using the neutral current (NC), elastic scattering, and charged current reactions and assuming the standard [Formula presented] shape, the [Formula presented] component of the [Formula presented] solar flux is [Formula presented] for a kinetic energy threshold of 5 MeV. The non- [Formula presented] component is [Formula presented], [Formula presented] greater than zero, providing strong evidence for solar [Formula presented] flavor transformation. The total flux measured with the NC reaction is [Formula presented], consistent with solar models. © 2002 The American Physical Society.

Publication Source (Journal or Book title)

Physical Review Letters

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