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@ARTICLE{Collaboration:836156,
      author       = {WASA-at-COSY Collaboration and Adlarson, P. and
                      Augustyniak, W. and Bardan, W. and Bashkanov, M. and
                      Bergmann, F. S. and Berłowski, M. and Bondar, A. and Calen,
                      H. and Ciepał, I. and Clement, H. and Czerwinski, E. and
                      Demmich, K. and Engels, Ralf W. and Erven, A. and Erven, W.
                      and Eyrich, W. and Fedorets, P. and Föhl, K. and Fransson,
                      K. and Goldenbaum, F. and Grigoryev, A. Goswami K. and
                      Gullström, C. -O. and Heijkenskjöld, L. and Hejny, V. and
                      Hüsken, N. and Jarczyk, L. and Johansson, T. and Kamys, B.
                      and Kemmerling, G. and Khatri, G. and Khoukaz, A. and
                      Khreptak, O. and Kirillov, D. A. and Kistryn, S. and
                      Kleines, Harald and Kłos, B. and Krzemien, W. and Kulessa,
                      P. and Kuzmin, A. and Lalwani, K. and Lersch, D. and
                      Lorentz, B. and Magiera, A. and Maier, R. and Marciniewski,
                      P. and Marianski, B. and Morsch, H. -P. and Ohm, H. and
                      Parol, W. and del Rio, E. Perez and Piskunov, N. M. and
                      Prasuhn, D. and Pszczel, D. and Pysz, K. and Pyszniak, A.
                      and Ritman, J. and Roy, A. and Rudy, Z. and Rundel, O. and
                      Sawant, S. and Schadmand, S. and Schätti-Ozerianska, I. and
                      Sefzick, T. and Serdyuk, V. and Shwartz, B. and Sitterberg,
                      K. and Skorodko, T. and Skurzok, M. and Smyrski, J. and
                      Sopov, V. and Stassen, R. and Stepaniak, J. and Stephan, E.
                      and Sterzenbach, G. and Stockhorst, H. and Ströher, H. and
                      Szczurek, A. and Trzcinski, A. and Varma, R. and Wronska, A.
                      and Wüstner, P. and Yamamoto, A. and Zabierowski, J. and
                      Zielinski, M. J. and Złomanczuk, J. and Zupranski, P. and
                      Zurek, M. and Büscher, Markus and Moskal, P. and Wolke, M.
                      and Kupsc, A.},
      title        = {{I}soscalar {S}ingle-{P}ion {P}roduction in the {R}egion of
                      {R}oper and $d^*(2380)$ {R}esonances},
      reportid     = {FZJ-2017-05279},
      year         = {2017},
      abstract     = {Exclusive measurements of the quasi-free $pn \to pp\pi^-$
                      and $pp \to pp\pi^0$ reactions have been performed by means
                      of $pd$ collisions at $T_p$ = 1.2 GeV using the WASA
                      detector setup at COSY. Total and differential cross
                      sections have been obtained covering the energy region $T_p
                      = 0.95 - 1.3$ GeV ($\sqrt s$ = 2.3 - 2.46 GeV), which
                      includes the regions of $\Delta(1232)$, $N^*(1440)$ and
                      $d^*(2380)$ resonance excitations. From these measurements
                      the isoscalar single-pion production has been extracted, for
                      which data existed so far only below $T_p$ = 1 GeV. We
                      observe a substantial increase of this cross section above 1
                      GeV, which can be related to the Roper resonance
                      $N^*(1440)$, the strength of which shows up isolated from
                      the $\Delta$ resonance in the isoscalar $(N\pi)_{I=0}$
                      invariant-mass spectrum. No evidence for a decay of the
                      dibaryon resonance $d^*(2380)$ into the isoscalar
                      $(NN\pi)_{I=0}$ channel is found. An upper limit of 180
                      $\mu$b (90 $\\%$ C.L.) corresponding to a branching ratio of
                      9 $\\%$ has been deduced.},
      cin          = {IKP-1 / IKP-2 / ZEA-2 / IKP-4 / IKP-TA},
      cid          = {I:(DE-Juel1)IKP-1-20111104 / I:(DE-Juel1)IKP-2-20111104 /
                      I:(DE-Juel1)ZEA-2-20090406 / I:(DE-Juel1)IKP-4-20111104 /
                      I:(DE-Juel1)IKP-TA-20111104},
      pnm          = {612 - Cosmic Matter in the Laboratory (POF3-612)},
      pid          = {G:(DE-HGF)POF3-612},
      typ          = {PUB:(DE-HGF)25},
      eprint       = {1702.07212},
      howpublished = {arXiv:1702.07212},
      archivePrefix = {arXiv},
      SLACcitation = {$\%\%CITATION$ = $arXiv:1702.07212;\%\%$},
      url          = {https://juser.fz-juelich.de/record/836156},
}