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@INPROCEEDINGS{Durini:283029,
      author       = {Durini, Daniel and Rongen, Heinz and Frielinghaus, Henrich
                      and Feoktystov, Artem and van Waasen, Stefan},
      title        = {{D}ark current performance of an analog {S}i{PM} array
                      under irradiation with cold neutrons},
      reportid     = {FZJ-2016-01712},
      year         = {2016},
      abstract     = {Research on novel approaches concerning scintillation based
                      solid-state detectors to be used in small angle neutron
                      scattering (SANS) experiments [1] has been triggered through
                      low world-wide availability of the 3He gas [2], which has
                      been the detection material of choice for most neutron
                      detection tasks. The active area sizes of such detectors
                      might vary between 1 m² (sometimes smaller) and 30 m² or
                      more, depending on the instrument design. It is reasonable
                      to stress the enormous readout and data rate concerned
                      complexities accompanying a pixelated solid-state approach
                      for SANS scintillator detectors, if a single “pixel”
                      size of some mm² is considered in neutron detectors with
                      active areas of several tens of square meters. Nevertheless,
                      in SANS instruments requiring active areas up to 1 m², the
                      approach based on an indirect detection of impinging cold
                      and thermal neutrons via pixelated scintillator detectors,
                      where the size of each “pixel” would be defined only by
                      the dispersion of visible photons produced within the
                      overlying scintillator material, this approach becomes
                      feasible. An interesting candidate for the photodetector
                      part in these detectors could be an array of analog silicon
                      photomultipliers (SiPM). It would yield the possibility of
                      single photon counting, low power consumption, a space
                      resolution of at least 3×3 mm² (or less), and the
                      possibility of acceptable photodetection performance even in
                      presence of high magnetic fields. The main risk defined so
                      far for using this technology in SANS scintillation
                      detectors is their performance in hard radiation
                      environments: in this case, under the irradiation of thermal
                      or cold neutrons. We investigated the dark signal and
                      breakdown voltage performances of a 12x12 array of SensL
                      Series C SiPMs with an active area of 3x3 mm² under
                      irradiation with cold neutrons (lambda = 5 Å, and the main
                      neutron flux of 108 n·s-1cm-2) up to a dose of 2×1012
                      n·cm-2. The SiPM detectors were at all times fully
                      operational, and the measurements were performed in-situ.[1]
                      D. L. Price and K. Sköld "Introduction to Neutron
                      Scattering", Methods in Experimental Physics, Volume 23,
                      Part A, pp. 1–97, Academic Press (1986)[2] U.S. Government
                      Accountability Office (GAO). Neutron Detectors. Alternatives
                      to using helium-3. Technology assessment. Report to
                      Congressional Requesters, GAO—11-753 (2011)},
      month         = {Feb},
      date          = {2016-02-15},
      organization  = {607. WE-Heraeus-Seminar: Semiconductor
                       detectors in astronomy, medicine,
                       particle physics and photon science,
                       Bad Honnef (Germany), 15 Feb 2016 - 17
                       Feb 2016},
      subtyp        = {Other},
      cin          = {ZEA-2 / JCNS (München) ; Jülich Centre for Neutron
                      Science JCNS (München) ; JCNS-FRM-II},
      cid          = {I:(DE-Juel1)ZEA-2-20090406 /
                      I:(DE-Juel1)JCNS-FRM-II-20110218},
      pnm          = {632 - Detector technology and systems (POF3-632) / 6G15 -
                      FRM II / MLZ (POF3-6G15) / 6G4 - Jülich Centre for Neutron
                      Research (JCNS) (POF3-623)},
      pid          = {G:(DE-HGF)POF3-632 / G:(DE-HGF)POF3-6G15 /
                      G:(DE-HGF)POF3-6G4},
      experiment   = {EXP:(DE-MLZ)KWS1-20140101},
      typ          = {PUB:(DE-HGF)24},
      url          = {https://juser.fz-juelich.de/record/283029},
}