Lattice QCD pseudo-distributions at m_π=358 MeV are inverted via multidimensional Gaussian process regression to reconstruct the full kinematic dependence of GPDs H^{u-d} and E^{u-d} while directly extracting double distributions.
In Section 3.3 of [70], we studied the evolution operator in the limitn→0: αs(µ2 0) αs(µ2 1) γn/(2πβ0) n→0 ∼ αs(µ2 0) αs(µ2 1) CF /(2πβ0)[1/n+1/2]
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Reconstructing the full kinematic dependence of GPDs from pseudo-distributions
Lattice QCD pseudo-distributions at m_π=358 MeV are inverted via multidimensional Gaussian process regression to reconstruct the full kinematic dependence of GPDs H^{u-d} and E^{u-d} while directly extracting double distributions.