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@ARTICLE{KalmahalliGuruswamy:889258,
      author       = {Kalmahalli Guruswamy, Chaitra and Meißner, Ulf-G. and
                      Seng, Chien-Yeah},
      title        = {{C}ontraction diagram analysis in pion-kaon scattering},
      journal      = {Nuclear physics / B},
      volume       = {957},
      issn         = {0550-3213},
      address      = {Amsterdam},
      publisher    = {North-Holland Publ. Co.},
      reportid     = {FZJ-2021-00163},
      pages        = {115091 -},
      year         = {2020},
      abstract     = {We study the contributions from the connected and
                      disconnected contraction diagrams to the pion-kaon
                      scattering amplitude within the framework of SU
                      partially-quenched chiral perturbation theory. Combining
                      this with a finite-volume analysis, we demonstrate that a
                      lattice calculation of the easier computable connected
                      correlation functions is able to provide valuable
                      information of the noisier disconnected correlation
                      functions, and may serve as a theory guidance for the future
                      refinement of the corresponding lattice techniques.},
      cin          = {IAS-4 / IKP-3},
      ddc          = {530},
      cid          = {I:(DE-Juel1)IAS-4-20090406 / I:(DE-Juel1)IKP-3-20111104},
      pnm          = {511 - Computational Science and Mathematical Methods
                      (POF3-511) / DFG project 196253076 - TRR 110: Symmetrien und
                      Strukturbildung in der Quantenchromodynamik (196253076)},
      pid          = {G:(DE-HGF)POF3-511 / G:(GEPRIS)196253076},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000554900600017},
      doi          = {10.1016/j.nuclphysb.2020.115091},
      url          = {https://juser.fz-juelich.de/record/889258},
}