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@ARTICLE{Trnka:50042,
      author       = {Trnka, D. and Anton, G. and Bacelar, J. C. S. and
                      Bartholomy, O. and Bayadilov, D. and Beloglazov, Y. A. and
                      Bogendoerfer, R. and Castelijns, R. and Crede, V. and Dutz,
                      H. and Ehmanns, A. and Elsner, M. P. and Ewald, R. and
                      Fabry, I. and Fuchs, M. and Essig, K. and Funke, R. J. and
                      Gothe, R. and Gregor, R. and Gridnev, A. B. and Gutz, E. and
                      Hoeffgen, S. and Hoffmeister, P. and Horn, I. and Hoessl, J.
                      and Jaegle, I. and Junkersfeld, J. and Kalinowsky, H. and
                      Klein, F. and Klein, F. and Klempt, E. and Konrad, M. and
                      Kopf, B. and Kotulla, M. and Krusche, B. and Langheinrich,
                      J. and Loehner, H. and Lopatin, I. V. and Lotz, J. and
                      Lugert, S. and Menze, D. and Messchendorp, J. G. and
                      Mertens, T. and Metag, V. and Morales, C. and Nanova, M. and
                      Novotny, R. and Ostrick, M. and Pant, L. M. and van Pee, H.
                      and Pfeiffer, M. and Roy, A. and Radkov, J. O. and
                      Schadmand, S. and Schmidt, Ch. and Schmieden, H. and Schoch,
                      B. and Shende, S. and Suft, G. and Sumachev, V. V. and
                      Szczepanek, T. and Suele, A. and Thoma, U. and Varma, R. and
                      Walther, D. and Weinheimer, Ch. and Wendel, Ch.},
      title        = {{O}bservation of {I}n-{M}edium {M}odifications of the
                      {O}mega {M}eson},
      journal      = {Physical review letters},
      volume       = {94},
      issn         = {0031-9007},
      address      = {College Park, Md.},
      publisher    = {APS},
      reportid     = {PreJuSER-50042},
      pages        = {192303},
      year         = {2005},
      note         = {Record converted from VDB: 12.11.2012},
      abstract     = {The photoproduction of omega mesons on nuclei has been
                      investigated using the Crystal Barrel/TAPS experiment at the
                      ELSA tagged photon facility in Bonn. The aim is to study
                      possible in-medium modifications of the omega meson via the
                      reaction gamma+A ->omega+X ->pi(0)gamma+X-'. Results
                      obtained for Nb are compared to a reference measurement on a
                      LH2 target. While for recoiling, long-lived mesons (pi(0),
                      eta, and eta(')), which decay outside of the nucleus, a
                      difference in the line shape for the two data samples is not
                      observed, we find a significant enhancement towards lower
                      masses for omega mesons produced on the Nb target. For
                      momenta less than 500 MeV/c an in-medium omega meson mass of
                      M-medium=[722(-4)(+4)(stat)(-5)(+35)(syst)] MeV/c(2) has
                      been deduced at an estimated average nuclear density of 0.6
                      rho(0).},
      keywords     = {photon nucleus: inclusive reaction (INSPIRE) / deuteron
                      (INSPIRE) / niobium (INSPIRE) / omega(783): photoproduction
                      (INSPIRE) / omega(783): radiative decay (INSPIRE) / mass
                      spectrum: (pi0 photon) (INSPIRE) / omega(783): mass
                      (INSPIRE) / omega(783): momentum (INSPIRE) / nuclear matter:
                      density (INSPIRE) / experimental results (INSPIRE) / Bonn
                      ELSA Stor (INSPIRE) / photon nucleus --> omega(783) anything
                      (INSPIRE) / omega(783) --> pi0 photon (INSPIRE) / 0.64-2.53
                      GeV (INSPIRE)},
      cin          = {IKP-E-I},
      ddc          = {550},
      cid          = {I:(DE-Juel1)VDB221},
      pnm          = {Physik der Hadronen},
      pid          = {G:(DE-Juel1)FUEK241},
      shelfmark    = {Physics, Multidisciplinary / 13.60.Le / 14.40.-n /
                      25.20.-x},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000229277000013},
      eprint       = {nucl-ex/0504010},
      howpublished = {arXiv:nucl-ex/0504010},
      archivePrefix = {arXiv},
      SLACcitation = {$\%\%CITATION$ = $arXiv:nucl-ex/0504010;\%\%$},
      eprint       = {oai:arXiv.org:nucl-ex/0504010},
      howpublished = {arXiv:oai:arXiv.org:nucl-ex/0504010},
      archivePrefix = {arXiv},
      SLACcitation = {$\%\%CITATION$ =
                      $arXiv:oai:arXiv.org:nucl-ex/0504010;\%\%$},
      doi          = {10.1103/PhysRevLett.94.192303},
      url          = {https://juser.fz-juelich.de/record/50042},
}