Normalizing Flows to Reconstruct Pseudo-PDFs
Yamil Cahuana Medrano, Kostas Orginos
Abstract
We investigate a normalizing-flow approach for reconstructing parton distribution functions (PDFs) from synthetic matrix-element data. Our framework combines Gaussian Process priors with invertible neural networks to learn a posterior distribution over PDFs consistent with limited Ioffe-time data. We demonstrate that the architecture preserves physical constraints and extrapolation properties.
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