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Two-loop coefficient function for DVCS: vector contributions

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Braun, V. M. ; Manashov, A. N. ; Moch, S. ; Schoenleber, J.
License: Creative Commons Attribution 4.0
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Date of publication of this fulltext: 01 Apr 2021 13:53


Using the approach based on conformal symmetry we calculate the two-loop coefficient function for the vector flavor-nonsinglet contribution to deeply-virtual Compton scattering (DVCS). The analytic expression for the coefficient function in momentum fraction space is presented in the MS¯¯¯¯¯¯¯ scheme. The corresponding next-to-next-to-leading order correction to the Compton form factor ℋ for a ...


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