Conformal moments of the two-loop coefficient functions in DVCS
V. M. Braun, P. Gotzler, A. N. Manashov
TL;DR
This paper introduces a novel method to compute conformal moments of two-loop coefficient functions in DVCS, enabling more precise extraction of generalized parton distributions at NNLO accuracy.
Contribution
It presents a new technique for calculating conformal moments of two-loop coefficient functions in DVCS, advancing the precision of GPD extraction.
Findings
Calculated conformal moments necessary for NNLO accuracy in DVCS.
Enhanced the Mellin-Barnes approach for GPD extraction.
Provided results crucial for high-precision QCD analyses.
Abstract
We develop a new technique and calculate conformal (Gegenbauer) moments of the two-loop coefficient functions in Deeply Virtual Compton Scattering (DVCS). These results are necessary for the extraction of the generalized parton distributions from the experimental data to the NNLO accuracy within the Mellin-Barnes approach.
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