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    Parton Distributions and Lattice Calculations (PDFLattice 2024)

    18–20 Nov 2024
    JLab
    America/New_York timezone

    Session

    Session 4

    18 Nov 2024, 16:20
    JLab

    JLab

    Conveners

    Session 4

    • David Richards (Jefferson Lab)

    Presentation materials

    There are no materials yet.

    1. 22. Systematic uncertainties in the lattice QCD calculation of PDFs from perturbative improvements
      Yong Zhao
      18/11/2024, 16:20
      Talk

      In this talk I will discuss the impact of perturbative improvements, i.e., resummations and renormalon subtraction, in the lattice QCD calculation of PDFs. I will compare the large-momentum effective theory (LaMET) and short-distance factorization (SDF) approaches, which can provide model-independent estimates of the PDF $x$-dependence and lowest Mellin moments, respectively. The leading...

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    2. 8. Exploring Meson Structures from Lattice: FF at large momentum transfer and GPD
      Qi Shi
      18/11/2024, 16:40
      Talk

      We present a comprehensive study of the electromagnetic form factors (EMFFs) of the pion and kaon, as well as the generalized parton distributions (GPDs) of the pion, using lattice QCD. For the pion and kaon form factors, we compute the pion and kaon EMFFs at high momentum transfers, $-t$, up to 10 and 28 GeV$^2$, respectively, achieving good agreement with experimental results up to $-t$...

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    3. 28. Bayesian Model Averaging: an overview
      Ethan Neil
      18/11/2024, 17:00
      Talk

      Discrete variations in modeling choices represent a common source of systematic error in extracting physics results from data, particularly in analysis of lattice simulations. Model averaging allows for the accounting of such systematic effects in a statistically consistent way. I will review the formalism of model averaging from a Bayesian perspective, and highlight key formulas and...

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    4. 41. Discussion
      18/11/2024, 17:20
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