The Pandora multi-algorithm approach to automated pattern recognition of cosmic-ray muon and neutrino events in the MicroBooNE detector

Acciarri, R.; Adams, C.; An, R.; Anthony, J.; Asaadi, J.; Auger, M.; Bagby, L.; Balasubramanian, S.; Baller, B.; Barnes, C.; Barr, G.; Bass, M.; Bay, F.; Bishai, M.; Blake, A.; Bolton, T.; Camilleri, L.; Caratelli, D.; Carls, B.; Fernández, R. Castillo; Cavanna, F.; Chen, H.; Church, E.; Cianci, D.; Cohen, E.; Collin, Gabriel; Conrad, J. M.; Convery, M. R.; Crespo-Anadón, J. I.; Tutto, M. Del; Devitt, D.; Dytman, S. A.; Eberly, B.; Ereditato, A.; Escudero, L.; Esquivel, J.; Fadeeva, A.A.; Fleming, B. T.; Foreman, W.; Furmanski, A. P.; García-Gámez, D.; Garvey, G. T.; Genty, V.; Goeldi, D.; Gollapinni, S.; Graf, N.; Gramellini, E.; Greenlee, H.; Grosso, R.; Guénette, R.; Hackenburg, A.; Hamilton, P.; Hen, O.; Hewes, J.; Hill, Colton; Ho, Johnny C.; Horton-Smith, G. A.; Hourlier, A.; Huang, E.-C.; James, C.; Vries, J. Jan de; Jen, C. M.; Jiang, L.; Johnson, R. A.; Joshi, J.; Jöstlein, H.; Kaleko, D.; Karagiorgi, G.; Ketchum, W.; Kirby, B.; Kirby, M.; Kobilarcik, T.; Kreslo, I.; Laube, A.; Li, Y.; Lister, A.; Littlejohn, B. R.; Lockwitz, S.; Lorca, D.; Louis, W. C.; Luethi, M.; Lundberg, B.; Luo, X.; Marchionni, A.; Mariani, C.; Marshall, J.; Caicedo, D. A. Martínez; Meddage, V.; Miceli, T.; Mills, G. B.; Moon, J.; Mooney, M.; Moore, C. D.; Mousseau, J.; Murrells, R.; Naples, D.; Nienaber, P.; Nowak, J.; Palamara, O.; Paolone, V.; Papavassiliou, V.; Pate, S. F.; Pavlović, Ž.; Piasetzky, E.; Porzio, D.; Pulliam, G.; Qian, X.; Raaf, J. L.; Rafique, A.; Rochester, Lynn; Rohr, C. Rudolf von; Russell, B.; Schmitz, D.; Schukraft, A.; Seligman, W.; Shaevitz, M. H.; Sinclair, J.; Smith, A.; Snider, E. L.; Soderberg, M.; Söldner-Rembold, S.; Soleti, S. R.; Spentzouris, P.; Spitz, J.; John, J. St.; Strauss, T.; Szelc, A. M.; Tagg, N.; Terao, K.; Thomson, M. A.; Toups, M.; Tsai, Y. T.; Tufanli, S.; Usher, T.; Pontseele, W. Van De; Water, R. G. Van de; Viren, B.; Weber, M.; Wickremasinghe, D. A.; Wolbers, S.; Wongjirad, T.; Woodruff, K.; Yang, T.; Yates, L. E.; Zeller, G. P.; Zennamo, J.; Zhang, C.

doi:10.1140/epjc/s10052-017-5481-6

Cited by 123 publications

(114 citation statements)

References 9 publications

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“…Secondary charged particles produced in the neutrino-argon interaction ionize the argon atoms, and ionization electrons are drifted to one side of the detector by an electric field, where they leave a projected image of the interaction as they deposit charge on the anode plane wires. The benefit of this technique is its superior imaging capability providing mm-resolution views of the interaction that allow to track even short secondary particles such as protons emerging from the nucleus [176][177][178]. In this particular application of a ν e appearance search, the advantage is that the discrimination of signatures produced by a single electron from a ν e interaction against the signature of photons produced for example in the decay of secondary π 0 s is superior to the Cherenkov technique used in the MiniBooNE experiment (see Fig.…”

Section: Icarus Sbndmentioning

confidence: 99%

Status of light sterile neutrino searches

Böser

Buck

Giunti

et al. 2020

Progress in Particle and Nuclear Physics

206

195

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A number of anomalous results in short-baseline oscillation may hint at the existence of one or more light sterile neutrino states in the eV mass range and have triggered a wave of new experimental efforts to search for a definite signature of oscillations between active and sterile neutrino states. The present paper aims to provide a comprehensive review on the status of light sterile neutrino searches in mid-2019: we discuss not only the basic experimental approaches and sensitivities of reactor, source, atmospheric, and accelerator neutrino oscillation experiments but also the complementary bounds arising from direct neutrino mass experiments and cosmological observations. Moreover, we review current results from global oscillation analyses that include the constraints set by running reactor and atmospheric neutrino experiments. They permit to set tighter bounds on the active-sterile oscillation parameters but as yet are not able to provide a definite conclusion on the existence of eV-scale sterile neutrinos.

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Section: Icarus Sbndmentioning

confidence: 99%

Status of light sterile neutrino searches

Böser

Buck

Giunti

et al. 2020

Progress in Particle and Nuclear Physics

206

195

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“…Track reconstruction consists of three main stages: hit reconstruction, candidate CR track reconstruction (PandoraCosmic), and candidate neutrino-induced track reconstruction (PandoraNu) [15]. The first stage includes reconstructing individual hits on the TPC wires.…”

Section: Track Reconstruction and Cosmic Background Rejection Prior Tmentioning

confidence: 99%

Rejecting cosmic background for exclusive charged current quasi elastic neutrino interaction studies with Liquid Argon TPCs; a case study with the MicroBooNE detector

Adams

Alrashed

et al. 2019

Eur. Phys. J. C

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Cosmic ray (CR) interactions can be a challenging source of background for neutrino oscillation and crosssection measurements in surface detectors. We present methods for CR rejection in measurements of charged-current quasielastic-like (CCQE-like) neutrino interactions, with a muon and a proton in the final state, measured using liquid argon time projection chambers (LArTPCs). Using a sample of cosmic data collected with the MicroBooNE detector, mixed with simulated neutrino scattering events, a set of event selection criteria is developed that produces an event sample with minimal contribution from CR background. Depending on the selection criteria used a purity between 50 and 80% can be achieved with a signal selection efficiency between 50 and 25%, with higher purity coming at the expense of lower efficiency. While using a specific dataset and selection criteria values optimized for the MicroBooNE detector, the concepts presented here are generic and can be adapted for various studies of exclusive ν μ CCQE interactions in LArTPCs.

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“…[44], and find that ∼ 12 events per kt·yr will be relevant. [62] However, we expect that detectors with good particle identification, e.g., LArTPC [46][47][48], will separate out such fake events very efficiently. In addition, the techniques of machine-learning-based particle identification have been developed in the field, e.g., Refs.…”

Section: Model Setupmentioning

confidence: 99%

Searching for boosted dark matter via dark-photon bremsstrahlung

2019

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We propose a new search channel for boosted dark matter (BDM) signals coming from the present universe, which are distinct from simple neutrino signals including those coming from the decay or pair-annihilation of dark matter. The signal process is initiated by the scattering of high-energetic BDM off either an electron or a nucleon. If the dark matter is dark-sector U(1)-charged, the scattered BDM may radiate a dark gauge boson (called "dark-strahlung") which subsequently decays to a Standard Model fermion pair. We point out that the existence of this channel may allow for the interpretation that the associated signal stems from BDM, not from the dark-matter-origin neutrinos. Although the dark-strahlung process is generally subleading compared to the lowestorder simple elastic scattering of BDM, we find that the BDM with a significant boost factor may induce an O(10 − 20%) event rate in the parameter regions unreachable by typical beam-produced dark-matter. We further find that the dark-strahlung channel may even outperform the leadingorder channel in the search for BDM, especially when the latter is plagued by substantial background contamination. We argue that cosmogenic BDM searches readily fall in such a case, hence taking full advantage of dark-strahlung. As a practical application, experimental sensitivities expected in the leading-order and dark-strahlung channels are contrasted in dark gauge boson parameter space, under the environment of DUNE far-detectors, revealing usefulness of dark-strahlung.

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The Pandora multi-algorithm approach to automated pattern recognition of cosmic-ray muon and neutrino events in the MicroBooNE detector

Cited by 123 publications

References 9 publications

Status of light sterile neutrino searches

Status of light sterile neutrino searches

Rejecting cosmic background for exclusive charged current quasi elastic neutrino interaction studies with Liquid Argon TPCs; a case study with the MicroBooNE detector

Searching for boosted dark matter via dark-photon bremsstrahlung

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