A novel use of light guides and wavelength shifting plates for the detection of scintillation photons in large liquid argon detectors
Abstract
Scintillation light generated as charged particles traverse large liquid argon detectors adds valuable information to studies of weakly-interacting particles. This paper uses both laboratory measurements and cosmic ray data from the Blanche dewar facility at Fermilab to characterize the efficiency of the photon detector technology developed at Indiana University for the single phase far detector of DUNE. The efficiency of this technology was found to be 0.48% at the readout end when the detector components were characterized with laboratory measurements. A second determination of the efficiency using cosmic ray tracks is in reasonable agreement with the laboratory determination. In conclusion, the agreement of these two efficiency determinations supports the result that minimum ionizing muons generate $${\mathcal N}_{phot} = 40,000$$ photons/MeV as they cross the LAr volume.
- Authors:
-
- Indiana Univ., Bloomington, IN (United States)
- Indiana Univ., Bloomington, IN (United States); Syracuse Univ., Syracuse, NY (United States)
- Indiana Univ., Bloomington, IN (United States); Univ. of Michigan, Ann Arbor, MI (United States)
- Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
- Publication Date:
- Research Org.:
- Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), High Energy Physics (HEP)
- OSTI Identifier:
- 1407118
- Report Number(s):
- FERMILAB-PUB-17-488-ND-PPD; arXiv:1710.11233
Journal ID: ISSN 0168-9002; 1633589
- Grant/Contract Number:
- AC02-07CH11359
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Nuclear Instruments and Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment
- Additional Journal Information:
- Journal Volume: 907; Journal ID: ISSN 0168-9002
- Publisher:
- Elsevier
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY; 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; liquid argon scintillation; neutrino detectors; photon detection
Citation Formats
Howard, B., Mufson, S., Whittington, D., Adams, B., Baugh, B., Jordan, J. R., Karty, J., Macias, C. T., and Pla-Dalmau, A. A novel use of light guides and wavelength shifting plates for the detection of scintillation photons in large liquid argon detectors. United States: N. p., 2018.
Web. doi:10.1016/j.nima.2018.06.050.
Howard, B., Mufson, S., Whittington, D., Adams, B., Baugh, B., Jordan, J. R., Karty, J., Macias, C. T., & Pla-Dalmau, A. A novel use of light guides and wavelength shifting plates for the detection of scintillation photons in large liquid argon detectors. United States. https://doi.org/10.1016/j.nima.2018.06.050
Howard, B., Mufson, S., Whittington, D., Adams, B., Baugh, B., Jordan, J. R., Karty, J., Macias, C. T., and Pla-Dalmau, A. Sat .
"A novel use of light guides and wavelength shifting plates for the detection of scintillation photons in large liquid argon detectors". United States. https://doi.org/10.1016/j.nima.2018.06.050. https://www.osti.gov/servlets/purl/1407118.
@article{osti_1407118,
title = {A novel use of light guides and wavelength shifting plates for the detection of scintillation photons in large liquid argon detectors},
author = {Howard, B. and Mufson, S. and Whittington, D. and Adams, B. and Baugh, B. and Jordan, J. R. and Karty, J. and Macias, C. T. and Pla-Dalmau, A.},
abstractNote = {Scintillation light generated as charged particles traverse large liquid argon detectors adds valuable information to studies of weakly-interacting particles. This paper uses both laboratory measurements and cosmic ray data from the Blanche dewar facility at Fermilab to characterize the efficiency of the photon detector technology developed at Indiana University for the single phase far detector of DUNE. The efficiency of this technology was found to be 0.48% at the readout end when the detector components were characterized with laboratory measurements. A second determination of the efficiency using cosmic ray tracks is in reasonable agreement with the laboratory determination. In conclusion, the agreement of these two efficiency determinations supports the result that minimum ionizing muons generate ${\mathcal N}_{phot} = 40,000$ photons/MeV as they cross the LAr volume.},
doi = {10.1016/j.nima.2018.06.050},
journal = {Nuclear Instruments and Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment},
number = ,
volume = 907,
place = {United States},
year = {Sat Jun 23 00:00:00 EDT 2018},
month = {Sat Jun 23 00:00:00 EDT 2018}
}
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Cited by: 9 works
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Figures / Tables:
Figure 1: The design concept for the photon detector technology. VUV scintillation photons at 128 nm from LAr strike wavelength shifting plates embedded with TPB where they are converted to ∼430 nm photons. These visible photons are subsequently absorbed by a commercial light guide where they are again wavelength shiftedmore »
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