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Separation of track- and shower-like energy deposits in ProtoDUNE-SP using a convolutional neural network

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posted on 2023-06-10, 05:17 authored by A Abed Abud, B Abi, T Alion, Lily AsquithLily Asquith, T S Bezerra, Aran Borkum, Georgia Chisnall, Iker De Icaza Astiz, A Earle, Clark GriffithClark Griffith, Jeff HartnellJeff Hartnell, R Kralik, Pierre Lasorak, Simon PeetersSimon Peeters, Joshua PorterJoshua Porter, Sammy Valder, K Wawrowska, Fang Xie, others
Liquid argon time projection chamber detector technology provides high spatial and calorimetric resolutions on the charged particles traversing liquid argon. As a result, the technology has been used in a number of recent neutrino experiments, and is the technology of choice for the Deep Underground Neutrino Experiment (DUNE). In order to perform high precision measurements of neutrinos in the detector, final state particles need to be effectively identified, and their energy accurately reconstructed. This article proposes an algorithm based on a convolutional neural network to perform the classification of energy deposits and reconstructed particles as track-like or arising from electromagnetic cascades. Results from testing the algorithm on experimental data from ProtoDUNE-SP, a prototype of the DUNE far detector, are presented. The network identifies track- and shower-like particles, as well as Michel electrons, with high efficiency. The performance of the algorithm is consistent between experimental data and simulation.

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Publication status

  • Published

File Version

  • Published version

Journal

European Physical Journal C

ISSN

1434-6044

Publisher

Springer Science and Business Media LLC

Volume

82

Page range

a903 1-19

Department affiliated with

  • Physics and Astronomy Publications

Full text available

  • Yes

Peer reviewed?

  • Yes

Legacy Posted Date

2022-11-01

First Open Access (FOA) Date

2022-11-01

First Compliant Deposit (FCD) Date

2022-10-31

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