Title

Evidence for muon neutrino oscillation in an accelerator-based experiment

Document Type

Article

Publication Date

3-4-2005

Abstract

We present results for νμ oscillation in the KEK to Kamioka (K2K) long-baseline neutrino oscillation experiment. K2K uses an accelerator-produced νμ beam with a mean energy of 1.3 GeV directed at the Super-Kamiokande detector. We observed the energy-dependent disappearance of vmu;, which we presume have oscillated to ντ. The probability that we would observe these results if there is no neutrino oscillation is 0.0050% (4.0σ). © 2005 The American Physical Society.

Publication Source (Journal or Book title)

Physical Review Letters

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