4.7 Article

Four-loop wave function renormalization in QCD and QED

Journal

PHYSICAL REVIEW D
Volume 97, Issue 5, Pages -

Publisher

AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.97.054032

Keywords

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Funding

  1. RFBR [17-02-00175A]
  2. EU Network HIGGSTOOLSGrant [PITN-GA-2012-316704]

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We compute the on-shell wave function renormalization constant to four-loop order in QCD and present numerical results for all coefficients of the SU(N-c) color factors. We extract the four-loop Heavy Quark Effective Theory anomalous dimension of the heavy-quark field and also discuss the application of our result to QED.

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