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@ARTICLE{Seng:916219,
      author       = {Seng, Chien-Yeah and Marciano, William J. and Meißner,
                      Ulf-G.},
      title        = {{E}lectron mass singularities in semileptonic kaon decays},
      journal      = {Physical review / D},
      volume       = {106},
      number       = {1},
      issn         = {2470-0010},
      address      = {Melville, NY},
      publisher    = {Inst.},
      reportid     = {FZJ-2022-06020},
      pages        = {013006},
      year         = {2022},
      abstract     = {We show that recent improvements in the O(α) long-distance
                      quantum electrodynamics (QED) corrections to the radiative
                      inclusive Ke3 decay rate using the Sirlin representation are
                      free from infrared divergences and collinear electron mass
                      singularities in the limit me→0, as predicted by the
                      Kinoshita-Lee-Nauenberg theorem. We also verify that in
                      massless QED with the simultaneous dimensional
                      regularization of QED photon infrared divergences and
                      electron mass singularities leads to the same result for the
                      inclusive rate in the limit of four space-time dimensions.
                      The equivalence of the two approaches results in part from
                      an interesting interplay between a small chirality-breaking
                      effect in the massless electron limit and the generalization
                      of space-time algebra and phase space integrals to d>4
                      dimensions. Our finding supports the small theoretical
                      uncertainty claimed for Ke3 radiative inclusive rates and
                      reaffirms its utility in precision unitarity tests of the
                      quark mixing matrix.},
      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:000878510200001},
      doi          = {10.1103/PhysRevD.106.013006},
      url          = {https://juser.fz-juelich.de/record/916219},
}