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@INPROCEEDINGS{Desch:316727,
      author       = {Desch, Klaus and Kaminski, Jochen and Krieger, Christoph
                      and Lupberger, Michael},
      title        = {{U}sing an {I}n{G}rid {D}etector to {S}earch for {S}olar
                      {C}hameleons with {CAST}},
      address      = {Hamburg},
      publisher    = {Verlag Deutsches Elektronen-Synchrotron},
      reportid     = {PUBDB-2017-00125},
      isbn         = {978-3-935702-43-0},
      series       = {DESY-PROC},
      pages        = {35-38},
      year         = {2015},
      comment      = {Desch, Klaus "Using an InGrid Detector to Search for Solar
                      Chameleons with CAST" in Proceedings, 11th Patras Workshop
                      on Axions, WIMPs and WISPs (Axion-WIMP 2015) / Irastorza,
                      Igor G., Redondo, Javier, Carmona, José Manuel, Cebrian,
                      Susana, Dafni, Theopisti, Iguaz, Francisco J., Luzon, Gloria
                      (eds.), Verlag Deutsches Elektronen-Synchrotron : 2015 ;
                      AXION-WIMP 2015 : 11th Patras Workshop on Axions, WIMPs and
                      WISPs, 2015-06-22 - 2015-06-26, Zaragoza},
      booktitle     = {Desch, Klaus "Using an InGrid Detector
                       to Search for Solar Chameleons with
                       CAST" in Proceedings, 11th Patras
                       Workshop on Axions, WIMPs and WISPs
                       (Axion-WIMP 2015) / Irastorza, Igor G.,
                       Redondo, Javier, Carmona, José Manuel,
                       Cebrian, Susana, Dafni, Theopisti,
                       Iguaz, Francisco J., Luzon, Gloria
                       (eds.), Verlag Deutsches
                       Elektronen-Synchrotron : 2015 ;
                       AXION-WIMP 2015 : 11th Patras Workshop
                       on Axions, WIMPs and WISPs, 2015-06-22
                       - 2015-06-26, Zaragoza},
      abstract     = {We report on the construction, operation experience, and
                      preliminary background measurements of an InGrid detector,
                      i.e.~a MicroMegas detector with CMOS pixel readout. The
                      detector was mounted in the focal plane of the Abrixas X-Ray
                      telescope at the CAST experiment at CERN. The detector is
                      sensitive to soft X-Rays in a broad energy range
                      $\J{(0.3--10)~keV$ } and thus enables the search for solar
                      chameleons. Smooth detector operation during CAST data
                      taking in autumn 2014 has been achieved. $\J{A$ p}reliminary
                      analysis of background data indicates a background rate of
                      \J{(1--5)}$ \times
                      10^{-5}~\mathrm{keV}^{-1}\mathrm{cm}^{-2}\mathrm{s}^{-1}$
                      above 2~keV and $\sim 3\times
                      10^{-4}~\mathrm{keV}^{-1}\mathrm{cm}^{-2}\mathrm{s}^{-1}$
                      around 1~keV. An expected limit of $\beta_\gamma \lesssim
                      5\times 10^{10}$ on the chameleon photon coupling is
                      estimated in case of absence of an excess in solar tracking
                      data. We also discuss the prospects for future operation of
                      the detector.},
      month         = {Jun},
      date          = {2015-06-22},
      organization  = {11th Patras Workshop on Axions, WIMPs
                       and WISPs, Zaragoza (Spain), 22 Jun
                       2015 - 26 Jun 2015},
      typ          = {PUB:(DE-HGF)8 / PUB:(DE-HGF)7},
      doi          = {10.3204/DESY-PROC-2015-02/desch_klaus},
      url          = {https://bib-pubdb1.desy.de/record/316727},
}