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@ARTICLE{Bernauer:442412,
      author       = {Bernauer, J. C. and Schmidt, A. and Henderson, B. S. and
                      Ice, L. D. and Khaneft, D. and O'Connor, C. and Russell, R.
                      and Akopov, N. and Alarcon, R. and Ates, O. and Avetisyan,
                      A. and Beck, R. and Belostotski, S. and Bessuille, J. and
                      Brinker, F. and Calarco, J. R. and Carassiti, V. and
                      Cisbani, E. and Ciullo, G. and Contalbrigo, M. and De Leo,
                      R. and Diefenbach, J. and Donnelly, T. W. and Dow, K. and
                      Elbakian, G. and Eversheim, P. D. and Frullani, S. and
                      Funke, Ch. and Gavrilov, G. and Gläser, B. and Görrissen,
                      N. and Hasell, D. K. and Hauschildt, J. and Hoffmeister, Ph.
                      and Holler, Y. and Ihloff, E. and Izotov, A. and Kaiser, R.
                      and Karyan, G. and Kelsey, J. and Kiselev, A. and Klassen,
                      P. and Krivshich, A. and Kohl, M. and Lehmann, I. and
                      Lenisa, P. and Lenz, D. and Lumsden, S. and Ma, Y. and Maas,
                      F. and Marukyan, H. and Miklukho, O. and Milner, R. G. and
                      Movsisyan, A. and Murray, M. and Naryshkin, Y. and Benito,
                      R. Perez and Perrino, R. and Redwine, R. P. and Piñeiro, D.
                      Rodríguez and Rosner, G. and Schneekloth, Uwe and Seitz, B.
                      and Statera, M. and Thiel, A. and Vardanyan, H. and
                      Veretennikov, D. and Vidal, C. and Winnebeck, A. and
                      Yeganov, V.},
      collaboration = {{Olympus Collaboration}},
      title        = {{OLYMPUS}: {F}irst measurement of the charge-averaged
                      elastic lepton-proton scattering cross section},
      reportid     = {PUBDB-2020-03044, arXiv:2008.05349. DESY-20-132},
      year         = {2020},
      note         = {* Temporary entry *6 pages, 3 figures, submitted to PRL on
                      12.08.2020},
      abstract     = {We report the first measurement of the average of the
                      electron-proton and positron-proton elastic scattering cross
                      sections. This lepton charge-averaged cross section is
                      insensitive to the leading effects of hard two-photon
                      exchange, giving more robust access to the proton's
                      electromagnetic form factors. The cross section was
                      extracted from data taken by the OLYMPUS experiment at DESY,
                      in which alternating stored electron and positron beams were
                      scattered from a windowless gaseous hydrogen target. Elastic
                      scattering events were identified from the coincident
                      detection of the scattered lepton and recoil proton in a
                      large-acceptance toroidal spectrometer. The luminosity was
                      determined from the rates of $M{\o}ller,$ Bhabha and elastic
                      scattering in forward electromagnetic calorimeters. The data
                      provide some selectivity between existing form factor global
                      fits and will provide valuable constraints to future fits.},
      cin          = {OLYMP},
      cid          = {I:(DE-H253)OLYMP-20120731},
      pnm          = {611 - Fundamental Particles and Forces (POF3-611)},
      pid          = {G:(DE-HGF)POF3-611},
      experiment   = {EXP:(DE-H253)OLYMPUS-20150101},
      typ          = {PUB:(DE-HGF)25},
      eprint       = {2008.05349},
      howpublished = {arXiv:2008.05349},
      archivePrefix = {arXiv},
      SLACcitation = {$\%\%CITATION$ = $arXiv:2008.05349;\%\%$},
      doi          = {10.3204/PUBDB-2020-03044},
      url          = {https://bib-pubdb1.desy.de/record/442412},
}