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Title: Photon Detection System Designs for the Deep Underground Neutrino Experiment

The Deep Underground Neutrino Experiment (DUNE) will be a premier facility for exploring long-standing questions about the boundaries of the standard model. Acting in concert with the liquid argon time projection chambers underpinning the far detector design, the DUNE photon detection system will capture ultraviolet scintillation light in order to provide valuable timing information for event reconstruction. To maximize the active area while maintaining a small photocathode coverage, the experiment will utilize a design based on plastic light guides coated with a wavelength-shifting compound, along with silicon photomultipliers, to collect and record scintillation light from liquid argon. This report presents recent preliminary performance measurements of this baseline design and several alternative designs which promise significant improvements in sensitivity to low-energy interactions.
Authors:
 [1]
  1. Indiana U.
Publication Date:
OSTI Identifier:
1250508
Report Number(s):
FERMILAB-CONF-15-490-ND-PPD; arXiv:1511.06345
1405445
DOE Contract Number:
AC02-07CH11359
Resource Type:
Conference
Resource Relation:
Conference: LIght Detection in Noble Elements, Albany, NY, USA, 08/28-08/30/2015
Research Org:
Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States)
Sponsoring Org:
USDOE Office of Science (SC), High Energy Physics (HEP) (SC-25)
Country of Publication:
United States
Language:
English
Subject:
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY; 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS