First MINOS Results with the NuMI Beam
Brian J. Rebel (for the MINOS Collaboration)
TL;DR
This paper reports initial results from the MINOS experiment observing neutrino interactions from Fermilab's NuMI beam, providing evidence for muon neutrino disappearance consistent with neutrino oscillations.
Contribution
First MINOS results using the NuMI beam, demonstrating neutrino detection and initial evidence for muon neutrino disappearance.
Findings
Observed 215 neutrinos below 30 GeV
Expected 336 +/- 14.4 events
Results consistent with neutrino oscillations
Abstract
The results from the initial exposure of the MINOS detectors to neutrinos produced by the Fermilab NuMI beam are reported here. The exposure consisted of 1.27 x 10^{20} 120 GeV protons incident on the NuMI target. The data show the observation of 215 neutrinos with energies below 30 GeV while 336 +/- 14.4 events were expected. The data are consistent with nu_mu disappearance via neutrino oscillations.
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Taxonomy
TopicsParticle Accelerators and Free-Electron Lasers · Particle accelerators and beam dynamics · Particle Detector Development and Performance