Rights statement: © 2011 American Physical Society
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Research output: Contribution to Journal/Magazine › Journal article › peer-review
Research output: Contribution to Journal/Magazine › Journal article › peer-review
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TY - JOUR
T1 - Search for the disappearance of muon antineutrinos in the NuMI neutrino beam
AU - Adamson, P.
AU - Nowak, Jaroslaw
AU - MINOS Collaboration
N1 - © 2011 American Physical Society
PY - 2011/10/11
Y1 - 2011/10/11
N2 - We report constraints on antineutrino oscillation parameters that were obtained by using the two MINOS detectors to measure the 7% muon antineutrino component of the NuMI neutrino beam. In the Far Detector, we select 130 events in the charged-current muon antineutrino sample, compared to a prediction of 136.4±11.7(stat)-8.9+10.2(syst) events under the assumption |Δm̅ 2|=2.32×10-3 eV2, sin2(2θ̅ )=1.0. Assuming no oscillations occur at the Near Detector baseline, a fit to the two-flavor oscillation approximation constrains |Δm̅ 2|<3.37×10-3 eV2 at the 90% confidence level with sin2(2θ̅ )=1.0.
AB - We report constraints on antineutrino oscillation parameters that were obtained by using the two MINOS detectors to measure the 7% muon antineutrino component of the NuMI neutrino beam. In the Far Detector, we select 130 events in the charged-current muon antineutrino sample, compared to a prediction of 136.4±11.7(stat)-8.9+10.2(syst) events under the assumption |Δm̅ 2|=2.32×10-3 eV2, sin2(2θ̅ )=1.0. Assuming no oscillations occur at the Near Detector baseline, a fit to the two-flavor oscillation approximation constrains |Δm̅ 2|<3.37×10-3 eV2 at the 90% confidence level with sin2(2θ̅ )=1.0.
U2 - 10.1103/PhysRevD.84.071103
DO - 10.1103/PhysRevD.84.071103
M3 - Journal article
VL - 84
JO - Physical Review D – Particles and Fields
JF - Physical Review D – Particles and Fields
SN - 1550-2368
IS - 7
M1 - 071103
ER -