Characterization of large area APDs for the EXO-200 detector

R. Neilson, F. LePort, A. Pocar, K. S. Kumar, A. Odian, C. Y. Prescott, V. Tenev, N. Ackerman, D. Akimov, M. Auger, C. Benitez-Medina, M. Breidenbach, A. Burenkov, R. Conley, S. Cook, R. deVoe, M. J. Dolinski, W. Fairbank, J. Farine, P. FierlingerB. Flatt, R. Gornea, G. Gratta, M. Green, C. Hall, K. Hall, D. Hallman, C. Hargrove, S. Herrin, J. Hodgson, L. J. Kaufman, A. Kovalenko, D. S. Leonard, D. Mackay, B. Mong, M. Montero Diez, E. Niner, K. O'Sullivan, A. Piepke, P. C. Rowson, D. Sinclair, K. Skarpaas, S. Slutsky, V. Stekhanov, V. Strickland, K. Twelker, J. L. Vuilleumier, K. Wamba, U. Wichoski, J. Wodin, L. Yang, Y. R. Yen

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46 Scopus citations

Abstract

Enriched Xenon Observatory (EXO)-200 uses 468 large area avalanche photodiodes (LAAPDs) for detection of scintillation light in an ultra-low-background liquid xenon (LXe) detector. We describe initial measurements of dark noise, gain and response to xenon scintillation light of LAAPDs at temperatures from room temperature to 169 K-the temperature of liquid xenon. We also describe the individual characterization of more than 800 LAAPDs for selective installation in the EXO-200 detector.

Original languageEnglish
Pages (from-to)68-75
Number of pages8
JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume608
Issue number1
DOIs
StatePublished - 1 Sep 2009
Externally publishedYes

Keywords

  • Avalanche photodiodes
  • Double beta decay
  • EXO
  • Low background
  • Scintillation
  • Xenon

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