Scintillation light detection in the 6-m drift-length ProtoDUNE Dual Phase liquid argon TPC
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Tarih
2022
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SPRINGER
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Özet
DUNE is a dual-site experiment for long-baseline neutrino oscillation studies, neutrino astrophysics and nucl eon decay searches. ProtoDUNE Dual Phase (DP) is a 6×6×6 m3 liquid argon time-projection-chamber (LArTPC) that recorded cosmic-muon data at the CERN Neutrino Plat form 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 sig nal 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 cos mic 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 perfor mance 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 per formed, improving understanding of the liquid argon prop erties
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Q2
Scopus Q Değeri
Q2
