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@ARTICLE{Ammer:1025782,
      author       = {Ammer, Maximilian and Dürr, Stephan},
      title        = {{C}alculation of c {SW} at one-loop order for {B}rillouin
                      fermions},
      journal      = {Physical review / D},
      volume       = {109},
      number       = {1},
      issn         = {2470-0010},
      address      = {Ridge, NY},
      publisher    = {American Physical Society},
      reportid     = {FZJ-2024-03145},
      pages        = {014512},
      year         = {2024},
      abstract     = {The Brillouin action is a Wilson-like lattice fermion
                      action with a 81-point stencil, which was found to
                      ameliorate the Wilson action in many respects. The
                      Sheikholeslami-Wohlert coefficient cSW of the clover
                      improvement term has a perturbative expansion
                      cSW=c(0)SW+g20c(1)SW+O(g40). At tree-level c(0)SW=r holds
                      for Wilson and Brillouin fermions alike. We present the
                      Feynman rules for the Brillouin action in lattice
                      perturbation theory, and employ them to calculate the
                      one-loop coefficient c(1)SW with plaquette or Lüscher-Weisz
                      gluons. Numerically its value is found to be about half that
                      of the Wilson action.},
      cin          = {JSC},
      ddc          = {530},
      cid          = {I:(DE-Juel1)JSC-20090406},
      pnm          = {5111 - Domain-Specific Simulation $\&$ Data Life Cycle Labs
                      (SDLs) and Research Groups (POF4-511)},
      pid          = {G:(DE-HGF)POF4-5111},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:001172676100010},
      doi          = {10.1103/PhysRevD.109.014512},
      url          = {https://juser.fz-juelich.de/record/1025782},
}