Résumé
The OPERA experiment is searching for νμ ν τ oscillations in appearance mode, i.e., via the direct detection of \tau leptons in \nu -\tau charged-current interactions. The evidence of \nu -\mu \rightarrow \nu -\tau appearance has been previously reported with three \nu -\tau candidate events using a sub-sample of data from the 2008-2012 runs. We report here a fourth \nu -\tau candidate event, with the \tau decaying into a hadron, found after adding the 2012 run events without any muon in the final state to the data sample. Given the number of analyzed events and the low background, \nu -\mu \rightarrow \nu -\tau oscillations are established with a significance of 4.2\sigma.
| langue originale | Anglais |
|---|---|
| Numéro d'article | 101C01 |
| journal | Progress of Theoretical and Experimental Physics |
| Volume | 2014 |
| Numéro de publication | 10 |
| Les DOIs | |
| état | Publié - 2 juil. 2014 |
| Modification externe | Oui |
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