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Noise and radiation damage in silicon photomultipliers exposed to electromagnetic and hadronic radiation

  • S. Sánchez Majos
  • , P. Achenbach
  • , C. Ayerbe Gayoso
  • , J. C. Bernauer
  • , R. Böhm
  • , M. O. Distler
  • , M. Gómez Rodríguez de la Paz
  • , H. Merkel
  • , U. Müller
  • , L. Nungesser
  • , J. Pochodzalla
  • , B. S. Schlimme
  • , Th Walcher
  • , M. Weinriefer
  • , C. J. Yoon
  • Johannes Gutenberg University Mainz

Research output: Contribution to journalArticlepeer-review

26 Scopus citations

Abstract

For the electron arm tracking system in the KAOS spectrometer at the Mainz Microtron MAMI a detector based on 2 m long scintillating fibres read out by silicon photomultipliers (SiPM) is planned. Because of the detector's close proximity to the intense electron beam a study of noise and radiation damage in SiPM has been performed. A sample of devices was exposed directly to a 14 MeV electron beam and to a mixed radiation field in the experimental area. First noticeable effects are a large increase in the dark count rate and a severe loss of the gain uniformity.

Original languageEnglish
Pages (from-to)506-510
Number of pages5
JournalNuclear Inst. and Methods in Physics Research, A
Volume602
Issue number2
DOIs
StatePublished - Apr 21 2009

Keywords

  • Particle detector design
  • Radiation damage
  • Silicon photomultiplier
  • Tracking and position-sensitive detectors

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