Published January 1, 2021
| Version v1
Journal article
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OPERA tau neutrino charged current interactions
Creators
- Agafonova, N.1
- Alexandrov, A.2
- Anokhina, A.3
- Aoki, S.4
- Ariga, A.5
- Ariga, T.
- Bertolin, A.6
- Bozza, C.
- Brugnera, R.
- Buonaura, A.
- Buontempo, S.2
- Chernyavskiy, M.7
- Chukanov, A.8
- Consiglio, L.2
- D'Ambrosio, N.9
- De Lellis, G.
- De Serio, M.
- del Amo Sanchez, P.10
- Di Crescenzo, A.
- Di Ferdinando, D.11
- Di Ferdinando, D.11
- 1. Russian Acad Sci, INR Inst Nucl Res, Moscow, Russia
- 2. INFN Sez Napoli, Naples, Italy
- 3. Lomonosov Moscow State Univ, SINP MSU Skobeltsyn Inst Nucl Phys, Moscow, Russia
- 4. Kobe Univ, Kobe, Hyogo, Japan
- 5. Univ Bern, Albert Einstein Ctr Fundamental Phys, Lab High Energy Phys LHEP, Bern, Switzerland
- 6. INFN Sez Padova, Padua, Italy
- 7. Russian Acad Sci, LPI Lebedev Phys Inst, Moscow, Russia
- 8. JINR Joint Inst Nucl Res, Dubna, Russia
- 9. INFN Lab Nazl Gran Sasso, Laquila, Italy
- 10. Univ Savoie Mont Blanc, LAPP, CNRS, IN2P3, Annecy Le Vieux, France
- 11. INFN Sez Bologna, Bologna, Italy
Description
The OPERA experiment was designed to discover the v(tau) appearance in a v(mu) beam, due to neutrino oscillations. The detector, located in the underground Gran Sasso Laboratory, consisted of a nuclear photographic emulsion/lead target with a mass of about 1.25 kt, complemented by electronic detectors. It was exposed from 2008 to 2012 to the CNGS beam: an almost pure v(mu) beam with a baseline of 730 km, collecting a total of 1.8 center dot 10(20) protons on target. The OPERA Collaboration eventually assessed the discovery of v(mu)-> v(tau) oscillations with a statistical significance of 6.1 sigma by observing ten v(tau) CC interaction candidates. These events have been published on the Open Data Portal at CERN. This paper provides a ydetailed description of the v(tau) data sample to make it usable by the whole community.
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