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@INPROCEEDINGS{Denig:408323,
      author       = {Denig, A.},
      title        = {{D}ark {P}hoton {S}earches at {MAMI} and {MESA}},
      address      = {Hamburg},
      publisher    = {Verlag Deutsches Elektronen-Synchrotron},
      reportid     = {PUBDB-2018-02776, DESY-PROC-2013-04},
      isbn         = {978-3-935702-83-6},
      series       = {DESY-PROC},
      pages        = {11-15},
      year         = {2013},
      comment      = {Denig, A. "Dark Photon Searches at MAMI and MESA" in
                      Proceedings, 9th Patras Workshop on Axions, WIMPs and WISPs
                      (AXION-WIMP 2013) / Oberlack, Uwe, Sissol, Pierre (eds.),
                      2013 ; AXION-WIMP 2013 : 9th Patras Workshop on Axions,
                      WIMPs and WISPs , 2013-06-23 - 2013-06-28, Mainz},
      booktitle     = {Denig, A. "Dark Photon Searches at
                       MAMI and MESA" in Proceedings, 9th
                       Patras Workshop on Axions, WIMPs and
                       WISPs (AXION-WIMP 2013) / Oberlack,
                       Uwe, Sissol, Pierre (eds.), 2013 ;
                       AXION-WIMP 2013 : 9th Patras Workshop
                       on Axions, WIMPs and WISPs , 2013-06-23
                       - 2013-06-28, Mainz},
      abstract     = {A hypothetical dark photon, denoted here as $\gamma'$, is a
                      massive force carrier of an extra U(1) gauge group as
                      predicted in almost all extensions of the Standard Model1.
                      In string theory the mass of such a dark photon cannot be
                      predicted and experimental searches are indeed ongoing from
                      very small mass scales, e.g. axion-like scales, to the
                      highest scales at the LHC. More recently, dark photons on
                      the MeV to GeV mass scale are at the focus of interest. This
                      is due to the fact that Arkani-Hamed et al. [1] as well as
                      others have suggested that such a dark photon could couple
                      to dark matter, which would also explain quite a large
                      number of astrophysical observations, such as e.g. the
                      positron excess in the cosmic ray flux. Furthermore, it was
                      realized that the presently seen deviation between the
                      Standard Model prediction and the direct measurementof the
                      anomalous magnetic moment of the muon, $(g−2)_\mu$, on the
                      level of 3 to 4 standard deviations [2] could also be
                      explained by a GeV-scale dark photon. The interaction
                      strength of the dark photon with Standard Model matter is
                      governed by the mechanism of kinetic mixing [3]. The
                      coupling can be subsumed by an effective coupling constant
                      $\epsilon$ and a vertex structure of a massive photon.},
      month         = {Jun},
      date          = {2013-06-24},
      organization  = {9th Patras Workshop on Axions, WIMPs
                       and WISPs, Mainz (Germany), 24 Jun 2013
                       - 28 Jun 2013},
      keywords     = {Hypothetisches Teilchen (gnd)},
      cin          = {L},
      cid          = {I:(DE-H253)L-20120731},
      pnm          = {899 - ohne Topic (POF3-899)},
      pid          = {G:(DE-HGF)POF3-899},
      experiment   = {EXP:(DE-MLZ)NOSPEC-20140101},
      typ          = {PUB:(DE-HGF)29 / PUB:(DE-HGF)8 / PUB:(DE-HGF)7},
      doi          = {10.3204/DESY-PROC-2013-04/denig_achim},
      url          = {https://bib-pubdb1.desy.de/record/408323},
}