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arXiv:hep-ex/0607088hep-ex

Observation of muon neutrino disappearance with the MINOS detectors and the NuMI neutrino beam

MINOS Collaboration

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Abstract

This letter reports results from the MINOS experiment based on its initial exposure to neutrinos from the Fermilab NuMI beam. The rate and energy spectra of charged current muon neutrino interactions are compared in two detectors located along the beam axis at distances of 1 km and 735 km. With 1.27 x 10^{20} 120 GeV protons incident on the NuMI target, 215 events with energies below 30 GeV are observed at the Far Detector, compared to an expectation of 336 \pm 14.4 events. The data are consistent with muon neutrino disappearance via oscillation with |Δm^2_{23}| = 2.74^{+0.44}_{-0.26} x 10^{-3} eV^2/c^4 and sin^2(2θ_{23}) > 0.87 (at 60% C.L.).

arXiv comments
To be submitted to PRL. 6 pages, 4 figures
Journal reference
Phys.Rev.Lett.97:191801,2006
DOI
doi:10.1103/PhysRevLett.97.191801
Subjects
hep-exHigh Energy Physics, Experiment

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  1. MIT scientists find weird quantum effects over hundreds of miles 1 comment

    • Neutrino experiments cost of order a billion dollars. The event rate for anthropogenic neutrinos sources at the MINOS detector (from the article) is a few hundred events over 1 year. https://arxiv.org/pdf/hep-ex/0607088v2.pdf So the bandwidth for this state-of-the-art…

      jessriedelView on HNParent context

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