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@ARTICLE{Zhang:906176,
      author       = {Zhang, Xue-Jing and Hanhart, Christoph and Meißner, Ulf-G.
                      and Xie, Ju-Jun},
      title        = {{R}emarks on non-perturbative three–body dynamics and its
                      application to the $${KK}{\bar{{K}}}$$ system},
      journal      = {The European physical journal / A},
      volume       = {58},
      number       = {2},
      issn         = {1434-6001},
      address      = {Heidelberg},
      publisher    = {Springer},
      reportid     = {FZJ-2022-01276},
      pages        = {20},
      year         = {2022},
      abstract     = {A formalism is discussed that allows for a straightforward
                      treatment of the relativistic three-body problem while
                      keeping the correct analytic structure. In particular it is
                      demonstrated that sacrificing covariance for analyticity can
                      be justified by the hierarchy of different contributions in
                      the spirit of an effective field theory. For definiteness
                      the formalism is applied to the KKK¯ system allowing for
                      the emergence of the a0(980) and the f0(980) as hadronic
                      molecules. For simplicity all inelastic channels are
                      switched off.},
      cin          = {IAS-4 / IKP-3},
      ddc          = {530},
      cid          = {I:(DE-Juel1)IAS-4-20090406 / I:(DE-Juel1)IKP-3-20111104},
      pnm          = {5111 - Domain-Specific Simulation Data Life Cycle Labs
                      (SDLs) and Research Groups (POF4-511) / DFG project
                      196253076 - TRR 110: Symmetrien und Strukturbildung in der
                      Quantenchromodynamik (196253076)},
      pid          = {G:(DE-HGF)POF4-5111 / G:(GEPRIS)196253076},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000752000000001},
      doi          = {10.1140/epja/s10050-021-00661-y},
      url          = {https://juser.fz-juelich.de/record/906176},
}