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In this study, we present continuum limit results for the unpolarized partondistribution function of the nucleon computed in lattice QCD. This study is thefirst continuum limit using the pseudo-PDF approach with Short DistanceFactorization for factorizing lattice QCD calculable matrix elements. Ourfindings are also compared with the pertinent phenomenological determinations.Inter alia, we are employing the summation Generalized Eigenvalue Problem(sGEVP) technique in order to optimize our control over the excited statecontamination which can be one of the most serious systematic errors in thistype of calculations. A crucial novel ingredient of our analysis is theparameterization of systematic errors using Jacobi polynomials to characterizeand remove both lattice spacing and higher twist contaminations, as well as theleading twist distribution. This method can be expanded in further studies toremove all other systematic errors.

The Continuum and Leading Twist Limits of Parton Distribution Functions in Lattice QCD