PoS - Proceedings of Science
Volume 341 - The 20th International Workshop on Neutrinos (NuFACT2018) - Wg 1
Final results from the OPERA experiment in the CNGS neutrino beam
M. Tenti
Full text: pdf
Pre-published on: October 16, 2019
Published on: December 12, 2019
The OPERA experiment at the Gran Sasso Laboratory was designed to study $\nu_{\mu} \rightarrow \nu_{\tau}$ oscillations in appearance mode in the CERN-to-Gran Sasso neutrino beam. We report on the final analysis of the full data sample based on looser selection criteria than in previous analyses and multivariate approach. Oscillation parameters have been determined with a reduced statistical uncertainty, and the discovery of tau neutrino appearance is confirmed with an improved significance level. Moreover, the search for electron neutrino events has been extended to the full dataset exploiting an improved method for the electron neutrino energy estimation. New limits have been set in the framework of the $3+1$ neutrino model.
DOI: https://doi.org/10.22323/1.341.0062
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