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@ARTICLE{Gharibyan:310565,
      author       = {Gharibyan, Vahagn and Balewski, Klaus},
      title        = {{P}lanck-{S}cale {G}ravity {T}est at {PETRA}},
      journal      = {Journal of modern physics},
      volume       = {07},
      number       = {09},
      issn         = {2153-120X},
      address      = {Irvine, Calif.},
      publisher    = {Scientific Research Publ.},
      reportid     = {PUBDB-2016-04302, DESY-16-029},
      pages        = {964 - 981},
      year         = {2016},
      abstract     = {Quantum or torsion gravity models predict unusual
                      properties of spacetime at very short distances. In
                      particular, near the Planck length, around 10$^{−35}$ m,
                      empty space may behave as a crystal, singly or doubly
                      refractive. This hypothesis, however, remains uncheckable
                      for any direct measurement since the smallest distance
                      accessible in experiment is about 10$^{−19}$ m at the LHC.
                      Here we propose a laboratory test to measure space
                      birefringence or refractivity induced by gravity. A
                      sensitivity 10$^{−31}$ m for doubly and 10$^{−28}$ m for
                      singly refractive vacuum could be reached with PETRA 6 GeV
                      beam exploring UV laser Compton scattering.},
      cin          = {MDI 2},
      ddc          = {530},
      cid          = {$I:(DE-H253)MDI_2-20120731$},
      pnm          = {631 - Accelerator R $\&$ D (POF3-631) / 6G3 - PETRA III
                      (POF3-622)},
      pid          = {G:(DE-HGF)POF3-631 / G:(DE-HGF)POF3-6G3},
      experiment   = {EXP:(DE-H253)PETRAIII(machine)-20150101},
      typ          = {PUB:(DE-HGF)29 / PUB:(DE-HGF)16},
      eprint       = {1602.06251},
      howpublished = {arXiv:1602.06251},
      archivePrefix = {arXiv},
      SLACcitation = {$\%\%CITATION$ = $arXiv:1602.06251;\%\%$},
      doi          = {10.4236/jmp.2016.79088},
      url          = {https://bib-pubdb1.desy.de/record/310565},
}