Measurement of CNGS muon neutrino speed with Borexino [PDF]
Borexino CollaborationWe have measured the speed of muon neutrinos with the Borexino detector using short-bunch CNGS beams. The final result for the difference in time-of-flight between aView original: http://arxiv.org/abs/1207.6860=17 GeV muon neutrino and a particle moving at the speed of light in vacuum is {\delta}t = 0.8 \pm 0.7stat \pm 2.9sys ns, well consistent with zero.
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