Measurement of the Velocity of Neutrinos from the CNGS Beam with the Large Volume Detector
Name
Agafonova-2012-Measurement of the Velocity of Neutrinos from the CNGS Beam.pdf
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Author(s)
Pless, Irwin A.
Date Issued
August 2012
Journal
Physical Review Letters
Publisher
American Physical Society
Citation
Agafonova, N. et al. “Measurement of the Velocity of Neutrinos from the CNGS Beam with the Large Volume Detector.” Physical Review Letters 109.7 (2012). © 2012 American Physical Society
Version
Final published version
Abstract
We report the measurement of the time of flight of ∼17 GeV ν[subscript μ] on the CNGS baseline (732 km) with the Large Volume Detector (LVD) at the Gran Sasso Laboratory. The CERN-SPS accelerator has been operated from May 10th to May 24th 2012, with a tightly bunched-beam structure to allow the velocity of neutrinos to be accurately measured on an event-by-event basis. LVD has detected 48 neutrino events, associated with the beam, with a high absolute time accuracy. These events allow us to establish the following limit on the difference between the neutrino speed and the light velocity: -3.8×10[superscript -6]<(vν-c)/c<3.1×10[superscript -6] (at 99% C.L.). This value is an order of magnitude lower than previous direct measurements.
MIT Department
Massachusetts Institute of Technology. Department of Physics
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Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use.
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DOI of Published Version
https://doi.org/10.1103/PhysRevLett.109.070801
