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The Pandora multi-algorithm approach to automated pattern recognition of cosmic-ray muon and neutrino events in the MicroBooNE detector
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The development and operation of Liquid-Argon Time-Projection Chambers for neutrino physics has created a need for new approaches to pattern recognition in order to fully exploit the imaging capabilities offered by this technology. Whereas the human brain can excel at identifying features in the recorded events, it is a significant challenge to develop an automated, algorithmic solution. The Pandora Software Development Kit provides functionality to aid the design and implementation of pattern-recognition algorithms. It promotes the use of a multi-algorithm approach to pattern recognition, in which individual algorithms each address a specific task in a particular topology. Many tens of algorithms then carefully build up a picture of the event and, together, provide a robust automated pattern-recognition solution. This paper describes details of the chain of over one hundred Pandora algorithms and tools used to reconstruct cosmic-ray muon and neutrino events in the MicroBooNE detector. Metrics that assess the current pattern-recognition performance are presented for simulated MicroBooNE events, using a selection of final-state event topologies.
Forward citations
Cited by 2 Pith papers
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Interaction-model dependence in calorimetric energy reconstruction methods due to non-linear material effects in modern neutrino detectors
Calorimetric neutrino energy reconstruction carries an interaction-model-dependent bias of ~7-18 MeV from Birks quenching and charge recombination, reducible to ~3.5 MeV with idealised hybrid tracking.
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First Search for Neutral Current Coherent Single-Photon Production in MicroBooNE
The first search for neutrino-induced neutral-current coherent single-photon production finds no signal and sets a 90% CL cross-section limit of 1.49e-41 cm², about 24 times the Standard Model prediction.
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