Published January 1, 2020
| Version v1
Journal article
Open
Neutrino interaction classification with a convolutional neural network in the DUNE far detector
Creators
- Abi, B.1
- Acciarri, R.2
- Acero, M. A.3
- Adamov, G.4
- Adams, D.5
- Adinolfi, M.6
- Ahmad, Z.7
- Ahmed, J.8
- Alion, T.9
- Monsalve, S. Alonso10
- Alt, C.
- Anderson, J.
- Andreopoulos, C.
- Andrews, M. P.2
- Andrianala, F.11
- Andringa, S.
- Ankowski, A.12
- Antonova, M.13
- Antusch, S.14
- Aranda-Fernandez, A.15
- Aranda-Fernandez, A.15
- 1. Univ Oxford, Oxford OX1 3RH, England
- 2. Fermilab Natl Accelerator Lab, POB 500, Batavia, IL 60510 USA
- 3. Univ Atlantico, Atlantico, Colombia
- 4. Georgian Tech Univ, Tbilisi, Georgia
- 5. Brookhaven Natl Lab, Upton, NY 11973 USA
- 6. Univ Bristol, Bristol BS8 1TL, Avon, England
- 7. Ctr Variable Energy Cyclotron, Kolkata 700064, W Bengal, India
- 8. Univ Warwick, Coventry CV4 7AL, W Midlands, England
- 9. Univ Sussex, Brighton BN1 9RH, E Sussex, England
- 10. CERN, European Org Nucl Res, CH-1211 Meyrin, Switzerland
- 11. Univ Antananarivo, Antananarivo 101, Madagascar
- 12. SLAC Natl Accelerator Lab, Menlo Pk, CA 94025 USA
- 13. Inst Fis Corpuscular, Valencia 46980, Spain
- 14. Univ Basel, CH-4056 Basel, Switzerland
- 15. Univ Colima, Colima, Mexico
Description
The Deep Underground Neutrino Experiment is a next-generation neutrino oscillation experiment that aims to measure CP-violation in the neutrino sector as part of a wider physics program. A deep learning approach based on a convolutional neural network has been developed to provide highly efficient and pure selections of electron neutrino and muon neutrino charged-current interactions. The electron neutrino (antineutrino) selection efficiency peaks at 90% (94%) and exceeds 85% (90%) for reconstructed neutrino energies between 2-5 GeV. The muon neutrino (antineutrino) event selection is found to have a maximum efficiency of 96% (97%) and exceeds 90% (95%) efficiency for reconstructed neutrino energies above 2 GeV. When considering all electron neutrino and antineutrino interactions as signal, a selection purity of 90% is achieved. These event selections are critical to maximize the sensitivity of the experiment to CP-violating effects.
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