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@ARTICLE{Seng:889242,
      author       = {Seng, Chien-Yeah and Feng, Xu and Gorchtein, Mikhail and
                      Jin, Lu-Chang and Meißner, Ulf-G.},
      title        = {{N}ew method for calculating electromagnetic effects in
                      semileptonic beta-decays of mesons},
      journal      = {Journal of high energy physics},
      volume       = {2020},
      number       = {10},
      issn         = {1029-8479},
      address      = {[Trieste]},
      publisher    = {SISSA},
      reportid     = {FZJ-2021-00147},
      pages        = {179},
      year         = {2020},
      abstract     = {We construct several classes of hadronic matrix elements
                      and relate them to the low-energy constants in Chiral
                      Perturbation Theory that describe the electromagnetic
                      effects in the semileptonic beta decay of the pion and the
                      kaon. We propose to calculate them using lattice QCD, and
                      argue that such a calculation will make an immediate impact
                      to a number of interesting topics at the precision frontier,
                      including the outstanding anomalies in |Vus| and the top-row
                      Cabibbo-Kobayashi-Maskawa matrix unitarity.},
      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:000590545400006},
      doi          = {10.1007/JHEP10(2020)179},
      url          = {https://juser.fz-juelich.de/record/889242},
}