EPJ Web Conf.
Volume 164, 20175th International Conference on New Frontiers in Physics
|Number of page(s)||10|
|Published online||05 December 2017|
Results from the OPERA experiment at the CNGS beam
INFN - Sezione di Bologna, Viale Berti Pichat 6/2, I-40127 Bologna, Italy
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Published online: 5 December 2017
The OPERA experiment at the Gran Sasso underground laboratory was designed to study vμ → vτ oscillations in appearance mode in the CNGS neutrino beam. Five vτ candidate events have been observed, allowing to assess the discovery of vμ → vτ transitions in the atmospheric sector with a significance of 5.1σ. In this paper the vτ data analysis will be discussed, with emphasis on the background constraints obtained using dedicated data-driven control samples. Results on the search for vμ → vτ oscillations, on the search for sterile neutrino mixing and on the atmospheric muon charge ratio will also be presented.
© The Authors, published by EDP Sciences, 2017
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (http://creativecommons.org/licenses/by/4.0/).
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