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@INPROCEEDINGS{Classen:428619,
      author       = {Classen, Lew and Dorn, C. and Kappes, Alexander and Karg,
                      Timo and Kossatz, Marko and Kretzschmann, Axel and
                      Ortjohann, Hans-Werner and Reubelt, Jonas and Sulanke,
                      Karl-Heinz and Weigel, R.},
      title        = {{A} multi-{PMT} {O}ptical {M}odule for the {I}ce{C}ube
                      {U}pgrade},
      volume       = {358},
      reportid     = {PUBDB-2019-04642},
      series       = {Proceedings of Science},
      pages        = {855},
      year         = {2019},
      abstract     = {Following the first observation of an astrophysical
                      high-energy neutrino flux with the IceCubeNeutrino
                      Observatory in 2013 and the identification of a first cosmic
                      high-energy neutrinosource in 2017, the detector will be
                      upgraded with about 700 new advanced optical sensors.This
                      will expand IceCube’s capabilities both at low and high
                      neutrino energies. A large fractionof the upgrade modules
                      will be multi-PMT Digital Optical Modules, mDOMs, each
                      featuring24 three-inch class photomultiplier tubes (PMTs)
                      pointing uniformly in all directions, therebyproviding an
                      almost homogeneous angular coverage. The signal from each
                      PMT is digitizedindividually, providing directional
                      information for the incident photons. Together, the 24
                      PMTsprovide an effective photosensitive area more than twice
                      than that of the current IceCube opticalmodule. The main
                      mDOM design challenges arise from the constraints on the
                      module size andpower needed for the 24-channel high-voltage
                      and readout systems. This contribution presentsan mDOM
                      design that meets these challenges and discusses the
                      sensitivities expected from thesemodules.},
      month         = {Jul},
      date          = {2019-07-24},
      organization  = {36th International Cosmic Ray
                       Conference, Madison, WI (USA), 24 Jul
                       2019 - 1 Aug 2019},
      cin          = {ZEU-ICE / ZEU-EL},
      cid          = {I:(DE-H253)ZEU-ICE-20160806 / I:(DE-H253)ZEU-EL-20120731},
      pnm          = {613 - Matter and Radiation from the Universe (POF3-613)},
      pid          = {G:(DE-HGF)POF3-613},
      experiment   = {EXP:(DE-H253)IceCube-20150101},
      typ          = {PUB:(DE-HGF)8 / PUB:(DE-HGF)7},
      doi          = {10.3204/PUBDB-2019-04642},
      url          = {https://bib-pubdb1.desy.de/record/428619},
}