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@ARTICLE{Fhl:887821,
      author       = {Föhl, K. and Dahm, T. and Düren, M. and Goldenbaum, F.
                      and Grzonka, D. and Ritman, J. and Walter, T.},
      title        = {{M}uon radiography employing the {DIRC} principle for
                      density change measurements under volcanoes and fluid
                      reservoirs},
      journal      = {Journal of Instrumentation},
      volume       = {15},
      number       = {07},
      issn         = {1748-0221},
      address      = {London},
      publisher    = {Inst. of Physics},
      reportid     = {FZJ-2020-04447},
      pages        = {C07030 - C07030},
      year         = {2020},
      note         = {Kein Post-print vorhanden},
      abstract     = {Mapping the density distribution and monitoring density
                      changes under volcanoes and geological reservoirs is a major
                      challenge in geology and volcanology. Muon radiography has a
                      high potential to advance this field, but often there are no
                      inexpensive high-end detectors available that are suitable
                      for field installations. A DIRC-type Cherenkov detector as a
                      muon camera has a small dimension and is suited for such
                      field applications (MagmaDIRC idea). In measuring directions
                      and energies of the incoming muons one can turn the mass
                      density integrals along the lines of flight into a
                      radiography image, and by discarting low-energy muons with
                      their blurred angular information one obtains sharper
                      images. In particular one may detect the time variation of
                      the mass density distributions situated above the horizon
                      line in a volcanic edifice that occurs when magma is filling
                      its plumbing system or when the level of a lava lake
                      changes. Using numerical simulations, we discuss design
                      aspects and the requirements of such a DIRC system. Two
                      sites are identified for proof-of-principle field
                      measurements. The required measurement times are estimated
                      for the given site conditions and morphology based on the
                      specifications of an operational DIRC system. The merits of
                      DIRC sensors are contrasted to other muon radiography
                      techniques.},
      cin          = {IKP-1},
      ddc          = {610},
      cid          = {I:(DE-Juel1)IKP-1-20111104},
      pnm          = {612 - Cosmic Matter in the Laboratory (POF3-612) / 632 -
                      Detector technology and systems (POF3-632)},
      pid          = {G:(DE-HGF)POF3-612 / G:(DE-HGF)POF3-632},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000551901300030},
      doi          = {10.1088/1748-0221/15/07/C07030},
      url          = {https://juser.fz-juelich.de/record/887821},
}