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Constraints on large extra dimensions from the MINOS experiment

Research output: Contribution to Journal/MagazineJournal articlepeer-review

  • MINOS Collaboration
Article number111101
<mark>Journal publication date</mark>16/12/2016
<mark>Journal</mark>Physical Review D
Issue number11
Number of pages7
Publication StatusPublished
<mark>Original language</mark>English


We report new constraints on the size of large extra dimensions from data collected by the MINOS experiment between 2005 and 2012. Our analysis employs a model in which sterile neutrinos arise as Kaluza-Klein states in large extra dimensions and thus modify the neutrino oscillation probabilities due to mixing between active and sterile neutrino states. Using Fermilab's NuMI beam exposure of $10.56 \times 10^{20}$ protons-on-target, we combine muon neutrino charged current and neutral current data sets from the Near and Far Detectors and observe no evidence for deviations from standard three-flavor neutrino oscillations. The ratios of reconstructed energy spectra in the two detectors constrain the size of large extra dimensions to be smaller than $0.45\,\mu\text{m}$ at 90% C.L. in the limit of a vanishing lightest active neutrino mass. Stronger limits are obtained for non-vanishing masses.