Search for the disappearance of muon antineutrinos in the NuMI neutrino beam

Adamson, P. and Nowak, Jaroslaw (2011) Search for the disappearance of muon antineutrinos in the NuMI neutrino beam. Physical Review D – Particles and Fields, 84 (7). ISSN 1550-2368

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Abstract

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, sin⁡2(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 sin⁡2(2θ̅ )=1.0.

Item Type: Journal Article
Journal or Publication Title: Physical Review D – Particles and Fields
Additional Information: © 2011 American Physical Society
Departments: Faculty of Science and Technology > Physics
ID Code: 66771
Deposited By: ep_importer_pure
Deposited On: 26 Sep 2013 10:35
Refereed?: Yes
Published?: Published
Last Modified: 17 Feb 2020 02:01
URI: https://eprints.lancs.ac.uk/id/eprint/66771

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