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Yayınlanmış 1 Ocak 2022 | Sürüm v1
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Scintillation light detection in the 6-m drift-length ProtoDUNE Dual Phase liquid argon TPC

Oluşturanlar

  • 1. Univ Oxford, Oxford OX1 3RH, England
  • 2. Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA
  • 3. Univ Atlantico, Barranquilla, Atlantico, Colombia
  • 4. Univ Tecnol Fed Parana, Curitiba, Parana, Brazil
  • 5. Georgian Tech Univ, Tbilisi, Georgia
  • 6. Brookhaven Natl Lab, Upton, NY 11973 USA
  • 7. Univ Bristol, Bristol BS8 1TL, Avon, England
  • 8. Univ Houston, Houston, TX 77204 USA
  • 9. Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA
  • 10. Variable Energy Cyclotron Ctr, Kolkata 700064, W Bengal, India
  • 11. Univ Warwick, Coventry CV4 7AL, W Midlands, England
  • 12. Univ Savoie Mt Blanc, Lab Annecy Phys Particules, Univ Grenoble Alpes, CNRS,LAPP IN2P3, F-74000 Annecy, France
  • 13. Univ Sussex, Brighton BN1 9RH, E Sussex, England
  • 14. Univ Colorado, Boulder, CO 80309 USA
  • 15. Kansas State Univ, Manhattan, KS 66506 USA
  • 16. Swiss Fed Inst Technol, Zurich, Switzerland

Açıklama

DUNE is a dual-site experiment for long-baseline neutrino oscillation studies, neutrino astrophysics and nucleon decay searches. ProtoDUNE Dual Phase (DP) is a 6 x 6 x 6 m(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 7m 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.

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