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IOP Publishing, Journal of Instrumentation, 01(17), p. C01012, 2022

DOI: 10.1088/1748-0221/17/01/c01012

SpringerOpen, The European Physical Journal C, 7(82), 2022

DOI: 10.1140/epjc/s10052-022-10549-w

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Scintillation light detection in the 6-m drift-length ProtoDUNE Dual Phase liquid argon TPC

Journal article published in 2022 by R. G. Van de Water, H. Vieira de Souza, H. de Souza, Marcelo Augusto Leigui de Oliveira, Greg de Souza, Antonio Verdugo de Osa, O. Mario A. Acero, A. Betancur Rodríguez, Babak Abi, M. S. S. Chavarry Neyra, Roberto Acciarri, L. Di Giulio, L. Di Noto, Mihail Antoniu Iliescu, Marcio R. Adames and other authors.
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

AbstractDUNE is a dual-site experiment for long-baseline neutrino oscillation studies, neutrino astrophysics and nucleon decay searches. ProtoDUNE Dual Phase (DP) is a 6 $\times $ × 6 $\times $ × 6 m$^3$ 3 liquid argon time-projection-chamber (LArTPC) that recorded cosmic-muon data at the CERN Neutrino Platform in 2019–2020 as a prototype of the DUNE Far Detector. Charged particles propagating through the LArTPC produce ionization and scintillation light. The scintillation light signal in these detectors can provide the trigger for non-beam events. In addition, it adds precise timing capabilities and improves the calorimetry measurements. In ProtoDUNE-DP, scintillation and electroluminescence light produced by cosmic muons in the LArTPC is collected by photomultiplier tubes placed up to 7 m away from the ionizing track. In this paper, the ProtoDUNE-DP photon detection system performance is evaluated with a particular focus on the different wavelength shifters, such as PEN and TPB, and the use of Xe-doped LAr, considering its future use in giant LArTPCs. The scintillation light production and propagation processes are analyzed and a comparison of simulation to data is performed, improving understanding of the liquid argon properties.