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@ARTICLE{Skurzok:19489,
      author       = {Skurzok, M. and Moskal, P. and Krzemien, W.},
      title        = {{S}earch for the 4{H}e-{E}ta bound states with the
                      {WASA}-at-{COSY} facility},
      journal      = {Progress in particle and nuclear physics},
      volume       = {67},
      issn         = {0146-6410},
      address      = {Oxford [u.a.]},
      publisher    = {Pergamon Press},
      reportid     = {PreJuSER-19489},
      pages        = {445 - 448},
      year         = {2012},
      note         = {The work is supported by the Foundation for Polish
                      Science-MPD program, co-financed by the European Union
                      within the European Regional Development Fund, by the Polish
                      National Science Center through grants No.
                      0320/B/H03/2011/40 and 2011/01/B/ST2/00431, by the European
                      Commission under the 7th Framework Programme through the
                      'Research Infrastructures' action of the 'Capacities'
                      Programme (FP7-INFRASTRUCTURES-2008-1, Grant Agreement No.
                      227431) and by the FFE grants of the Research Center
                      Julich.},
      abstract     = {The existence of eta-mesic nuclei in which the eta meson is
                      bound with nucleus by means of the strong interaction was
                      postulated already in 1986, however till now no experiment
                      confirmed it empirically. Discovering of this new kind of an
                      exotic nuclear matter would be very important as it might
                      allow for better understanding of the eta meson structure
                      and its interaction with nucleons. The search for eta-mesic
                      helium (He-4-eta) is carried out with high statistic and
                      high acceptance by means of the WASA detector, installed at
                      the cooler synchrotron COSY in the Research Center inch. The
                      search is conducted via the measurement of the excitation
                      function for the chosen decay channels of the He-4-eta
                      system. In the experiment performed in November 2010 two
                      reactions dd -> (He-4-eta)(bs) -> (3)Hep pi(-) and dd ->
                      (He-4-eta)(bs) -> (3)Hen pi(0) were measured with the beam
                      momentum ramped from 2.127 GeV/c to 2.422 GeV/c. The report
                      includes the description of experimental method and status
                      of the measurement. (C) 2012 Elsevier B.V. All rights
                      reserved.},
      keywords     = {mesic atom (INSPIRE) / bound state: (helium eta) (INSPIRE)
                      / experimental methods (INSPIRE) / strong interaction
                      (INSPIRE) / Juelich COSY PS (INSPIRE) / WASA (INSPIRE)},
      cin          = {IKP-1},
      ddc          = {530},
      cid          = {I:(DE-Juel1)IKP-1-20111104},
      pnm          = {Physik der Hadronen und Kerne / HADRONPHYSICS2 - Study of
                      Strongly Interacting Matter (227431)},
      pid          = {G:(DE-Juel1)FUEK413 / G:(EU-Grant)227431},
      experiment   = {EXP:(DE-Juel1)WASA-at-COSY-20170712},
      shelfmark    = {Physics, Nuclear / Physics, Particles $\&$ Fields},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000303282200058},
      eprint       = {1112.2521},
      howpublished = {arXiv:1112.2521},
      archivePrefix = {arXiv},
      SLACcitation = {$\%\%CITATION$ = $arXiv:1112.2521;\%\%$},
      doi          = {10.1016/j.ppnp.2012.01.008},
      url          = {https://juser.fz-juelich.de/record/19489},
}