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@ARTICLE{Isken:354668,
      author       = {Isken, Tobias and Guo, Xiao-Yu and Heo, Yonggoo and Korpa,
                      Csaba L. and Lutz, Matthias},
      title        = {{T}riangle and box diagrams in coupled-channel systems from
                      the chiral {L}agrangian},
      journal      = {Physical review / D},
      volume       = {109},
      number       = {3},
      issn         = {2470-0010},
      address      = {Ridge, NY},
      publisher    = {American Physical Society},
      reportid     = {GSI-2024-01147},
      pages        = {034032},
      year         = {2024},
      note         = {Published by the American Physical Society under the terms
                      of the Creative Commons Attribution 4.0 International
                      license. Further distribution of this work must maintain
                      attribution to the author(s) and the published article’s
                      title, journal citation, and DOI. Funded by SCOAP3.},
      abstract     = {We perform an analysis of triangle- and box-loop
                      contributions to the generalized potential in the scattering
                      of Goldstone bosons off the 𝐽𝑃 =0− and 1− charmed
                      mesons. Particular emphasis is put on the use of on-shell
                      mass parameters in such contributions in terms of a
                      renormalization scheme that ensures the absence of
                      power-counting violating terms. This is achieved with a
                      systematically extended set of Passarino-Veltman basis
                      functions that leads to manifest power-counting conserving
                      one-loop expressions and avoids the occurrence of
                      superficial kinematical singularities. Compact expressions
                      to chiral order three and four are presented that are
                      particularly useful in coding such coupled-channel systems.
                      Our formal results are generic and prepare analogous
                      computations for other systems, like meson-baryon scattering
                      from the chiral Lagrangian.},
      cin          = {QCD / FHF},
      ddc          = {530},
      cid          = {I:(DE-Ds200)QCD-20160901OR395 /
                      I:(DE-Ds200)FHF-20200605OR451},
      pnm          = {612 - Cosmic Matter in the Laboratory (POF4-612) / Hadron
                      physics (HFHF project) (I:(DE-Ds200)HFHF-Hadron) /
                      SUC-GSI-Darmstadt - Strategic university cooperation GSI-TU
                      Darmstadt (SUC-GSI-DA)},
      pid          = {G:(DE-HGF)POF4-612 / I:(DE-Ds200)HFHF-Hadron /
                      G:(DE-Ds200)SUC-GSI-DA},
      experiment   = {$EXP:(DE-Ds200)no_experiment-20200803$},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:001183211100009},
      doi          = {10.1103/PhysRevD.109.034032},
      url          = {https://repository.gsi.de/record/354668},
}