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@ARTICLE{AbdElSamad:139102,
      author       = {Abd El-Samad, S. and Borodina, E. and Brinkmann, K. -Th.
                      and Clement, H. and Doroshkevich, E. and Dzhygadlo, R. and
                      Ehrhardt, K. and Erhardt, A. and Eyrich, W. and Freiesleben,
                      H. and Gast, W. and Gillitzer, A. and Grzonka, D. and
                      Hanhart, C. and Hauenstein, F. and Klaja, P. and Kilian, K.
                      and Krapp, M. and Ritman, J. and Roderburg, E. and Röder,
                      M. and Schulte-Wissermann, M. and Schroeder, W. and Sefzick,
                      T. and Wagner, G. J. and Wintz, P. and Wüstner, P.},
      title        = {{O}n the Σ{N} cusp in the pp → p{K}+Λ reaction},
      journal      = {The European physical journal / A},
      volume       = {49},
      number       = {3},
      issn         = {1434-601X},
      address      = {Berlin},
      publisher    = {Springer},
      reportid     = {FZJ-2013-05110},
      pages        = {41},
      year         = {2013},
      abstract     = {Measurements of the pp → pK (+) Λ reaction at T ( )p( )
                      = 2.28 GeV have been carried out at COSY-TOF. In addition to
                      the Λp FSI and N (*) resonance excitation effects a
                      pronounced narrow structure is observed in the Dalitz plot
                      and in its projection on the pΛ invariant mass. The
                      strongly asymmetric structure appears at the pp → NK (+)
                      Σ threshold and is interpreted as the ΣN cusp effect. The
                      observed width of about 20 MeV/c (2) is substantially
                      broader than anticipated from previous measurements as well
                      as theoretical predictions. Angular distributions of this
                      cusp structure are shown to be dissimilar to those in the
                      residual pK (+) Λ channel, but similar to those observed in
                      the pK (+) Σ (0) channel. PDF =
                      http://www.springerlink.com/},
      keywords     = {p Lambda: final-state interaction (INSPIRE) / angular
                      distribution (INSPIRE) / nucleon resonance (INSPIRE) /
                      nucleon Sigma: cusp effect (INSPIRE) / Dalitz plot (INSPIRE)
                      / asymmetry (INSPIRE) / COSY-TOF (INSPIRE) / p p: exclusive
                      reaction (INSPIRE) / Lambda: hadroproduction (INSPIRE) / K+:
                      associated production (INSPIRE) / channel cross section:
                      measured (INSPIRE) / experimental results (INSPIRE) /
                      Juelich COSY PS (INSPIRE) / p p --> Lambda p K+ (INSPIRE) /
                      2.28 GeV-kin (INSPIRE)},
      cin          = {IKP-1 / ZEA-2 / IAS-4},
      ddc          = {530},
      cid          = {I:(DE-Juel1)IKP-1-20111104 / I:(DE-Juel1)ZEA-2-20090406 /
                      I:(DE-Juel1)IAS-4-20090406},
      pnm          = {531 - Hadron Structure and Dynamics (HSD) (POF2-531)},
      pid          = {G:(DE-HGF)POF2-531},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000317855000013},
      doi          = {10.1140/epja/i2013-13041-8},
      url          = {https://juser.fz-juelich.de/record/139102},
}