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Nov 4 – 8, 2019
Adelaide Convention Centre
Australia/Adelaide timezone

Dataset of tau neutrino interactions recorded by OPERA experiment

Nov 5, 2019, 3:15 PM
15m
Riverbank R1 (Adelaide Convention Centre)

Riverbank R1

Adelaide Convention Centre

Oral Track 8 – Collaboration, Education, Training and Outreach Track 8 – Collaboration, Education, Training and Outreach

Speaker

Tibor Simko (CERN)

Description

We describe the dataset of very rare events recorded by the OPERA experiment. Those events represent tracks of particles associated with tau neutrinos emerged from a pure muon neutrino beam, due to neutrino oscillations. The OPERA detector, located in the underground Gran Sasso Laboratory, consisted of an emulsion/lead target with an average mass of about 1.2 kt, complemented by the electronic detectors. It was exposed, from 2008 to 2012, to the CNGS (CERN Neutrinos to Gran Sasso) beam, an almost pure muon neutrino beam with a baseline of 730 km, collecting a total of $17.97 \times 10^{19}$ protons on target. The OPERA Collaboration eventually assessed the discovery of $\nu_{\mu} \rightarrow \nu_{\tau}$ oscillations with a significance of 6.1 $\sigma$ by observing ten $\nu_{\tau}$ candidates. These events have been published at CERN Open Data Portal.

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Primary authors

Giuliana Galati Andrey Ustyuzhanin (Yandex School of Data Analysis (RU)) Tibor Simko (CERN) Giovanni De Lellis (Universita e sezione INFN di Napoli (IT)) Sergey Dmitrievsky (JINR - Dubna)

Presentation materials