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Simulations for the global quantum efficiency of MicroBooNE optical units

Pate, S.F. ; Wester, T. ; Bugel, L. ; Conrad, J. ; Henderson, E. ; Jones, B.J.P. ; McLean, A.I.L. ; Moon, J.S. ; Toups, M. ; Wongjirad, T.

Journal of instrumentation, 2018-03, Vol.13 (3), p.C03010-C03010 [Periódico revisado por pares]

Bristol: IOP Publishing

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  • Título:
    Simulations for the global quantum efficiency of MicroBooNE optical units
  • Autor: Pate, S.F. ; Wester, T. ; Bugel, L. ; Conrad, J. ; Henderson, E. ; Jones, B.J.P. ; McLean, A.I.L. ; Moon, J.S. ; Toups, M. ; Wongjirad, T.
  • Assuntos: Argon ; Butadiene ; Efficiency ; Particle interactions ; Photoelectrons ; Photomultiplier tubes ; Quantum efficiency ; Scintillation ; Test stands
  • É parte de: Journal of instrumentation, 2018-03, Vol.13 (3), p.C03010-C03010
  • Descrição: The MicroBooNE detector uses scintillation light from particle interactions in liquid argon as a data acquisition trigger. This scintillation light has wavelengths in the vacuum ultra violet (VUV) range, and must be converted into visible light to be detected by photomultiplier tubes (PMTs). To convert the light, MicroBooNE uses wavelength shifting plates coated with Tetraphenyl butadiene (TPB) placed in front of its PMTs. While basic tuning of this plate-PMT system is sufficient for triggering, precise calibration of the system makes additional calorimetry possible. This note will outline how a photon simulation which accounts for the geometry and optical details of the MicroBooNE detector can accompany a measurement of observed photoelectrons in a plate-PMT test stand, and how the results may be used to determine a “global quantum efficiency” for the plate-PMT system. This global quantum efficiency is one required ingredient for improving the capabilities of the light collection system.
  • Editor: Bristol: IOP Publishing
  • Idioma: Inglês
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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