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@ARTICLE{Braun:622768,
      author       = {Braun, Vladimir M. and Jiang, Hua-Yu and Manashov,
                      Alexander and von Manteuffel, Andreas},
      title        = {{T}he two-loop coefficient functions for double deeply
                      virtual {C}ompton scattering},
      journal      = {Journal of high energy physics},
      volume       = {01},
      number       = {1},
      issn         = {1126-6708},
      address      = {Heidelberg},
      publisher    = {Springer},
      reportid     = {PUBDB-2025-00462, arXiv:2411.14985. DESY-24-178},
      pages        = {069},
      year         = {2025},
      note         = {38 pages, 2 figures. arXiv admin note: text overlap with
                      arXiv:2007.06348},
      abstract     = {Making use of conformal symmetry of large-n$_{f}$ QCD in d
                      = 4 – 2ϵ dimensions at the Wilson-Fischer fixed point, we
                      calculate the two-loop coefficient functions in the operator
                      product expansion of two electromagnetic currents in general
                      kinematics with two different photon virtualities. This
                      result is necessary for the description of the double deeply
                      virtual Compton scattering to the next-to-next-to-leading
                      order accuracy, but is also interesting for a range of other
                      two-photon processes. We present analytic expression for the
                      coefficient function in momentum fraction space in the $
                      \overline{\textrm{MS}} $ scheme and study its numerical
                      impact on the Compton form factors for a simple model of the
                      generalized parton distributions. The calculated corrections
                      turn out to be large and are significant for the kinematics
                      of proposed experiments.},
      keywords     = {Factorization (autogen) / Renormalization Group (autogen) /
                      Higher-Order Perturbative Calculations (autogen) / Scale and
                      Conformal Symmetries (autogen) / Specific QCD Phenomenology
                      (autogen)},
      cin          = {UNI/TH},
      ddc          = {530},
      cid          = {$I:(DE-H253)UNI_TH-20120731$},
      pnm          = {611 - Fundamental Particles and Forces (POF4-611) / DFG
                      project G:(GEPRIS)430824754 - Neue Zugänge zu
                      semi-inklusiven Streuprozessen am Electron-Ion-Collider
                      (EIC) (430824754) / DFG project G:(GEPRIS)409651613 - FOR
                      2926: Next Generation Perturbative QCD for Hadron Structure:
                      Preparing for the Electron-Ion Collider (409651613)},
      pid          = {G:(DE-HGF)POF4-611 / G:(GEPRIS)430824754 /
                      G:(GEPRIS)409651613},
      experiment   = {EXP:(DE-H253)D-G3-20150101},
      typ          = {PUB:(DE-HGF)16},
      eprint       = {2411.14985},
      howpublished = {arXiv:2411.14985},
      archivePrefix = {arXiv},
      SLACcitation = {$\%\%CITATION$ = $arXiv:2411.14985;\%\%$},
      UT           = {WOS:001396241300001},
      doi          = {10.1007/JHEP01(2025)069},
      url          = {https://bib-pubdb1.desy.de/record/622768},
}