Inside the Nucleon: TMDs and PDFs

Presentations

• Angular Distribution Measurement of $p+p$ and $p+d$ Drell–Yan Processes at 120 GeV by the SeaQuest Experiment at Fermilab

  ORAL

  Oct. 19, 2025, 8:30 AM – Oct. 19, 2025, 8:42 AM

  Presenters

  • Kei Nagai

    The University of Memphis

  Authors

  • Kei Nagai

    The University of Memphis

  View abstract →

• Measurement of DY Absolute Cross-Section for p+p and p+d Collisions with 120GeV Proton Beam in SeaQuest Experiment

  ORAL

  Oct. 19, 2025, 8:42 AM – Oct. 19, 2025, 8:54 AM

  Presenters

  • Chatura D Kuruppu

    New Mexico State University

  Authors

  • Chatura D Kuruppu

    New Mexico State University

  View abstract →

• The new CJ25 global parton distributions fit

  ORAL

  Oct. 19, 2025, 8:54 AM – Oct. 19, 2025, 9:06 AM

  Presenters

  • Alberto Accardi

    Christopher Newport University

  Authors

  • Alberto Accardi

    Christopher Newport University

  • Matteo Cerutti

    Christopher Newport University and Jefferson Lab

  • Joseph F Owens

    Florida State University

  • Shujie Li

    Lawrence Berkeley National Laboratory

  View abstract →

• Interpreting epistemic uncertainties in PDF analyses via symbolic regression

  ORAL

  Oct. 19, 2025, 9:06 AM – Oct. 19, 2025, 9:18 AM

  Presenters

  • Brandon Kriesten

    Argonne National Laboratory

  Authors

  • Brandon Kriesten

    Argonne National Laboratory

  • Timothy J Hobbs

    Argonne National Laboratory

  View abstract →

• Model Calculation of Pion Parton Distribution Functions in the Valence Region

  ORAL

  Oct. 19, 2025, 9:18 AM – Oct. 19, 2025, 9:30 AM

  Publication: Preprint on arxiv - https://arxiv.org/abs/2506.15995v1

  Presenters

  • Alan Salvador Sosa

    Florida International University

  Authors

  • Alan Salvador Sosa

    Florida International University

  • Misak M Sargsian

    Florida International University

  • Joseph E Maerovitz

    Florida International University

  • Christopher A Leon

    Los Alamos National Laboratory (LANL)

  View abstract →

• Employing Deep Neural Networks for extracting the 3D Structure of Nucleon

  ORAL

  Oct. 19, 2025, 9:30 AM – Oct. 19, 2025, 9:42 AM

  Publication: 1. https://doi.org/10.1103/PhysRevD.108.054007<br>2. I. P. Fernando and D. Keller, "A DNN based extraction of the unpolarized TMDs from fixed-target DY data" [a publication in progress]<br>3. I. P. Fernando, L. C. Diaz, and D. Keller, "Extraction of Compton Form Factors for Local Kinematic Settings with Deep Neural Networks: A Baseline" [ a publication in progress]

  Presenters

  • Ishara P Fernando

    University of Virginia

  Authors

  • Ishara P Fernando

    University of Virginia

  • Dustin Keller

    University of Virginia

  View abstract →

• Transverse-momentum-dependent factorization at next-to-leading power

  ORAL

  Oct. 19, 2025, 9:42 AM – Oct. 19, 2025, 9:54 AM

  Publication: Transverse-momentum-dependent factorization at next-to-leading power<br>https://doi.org/10.48550/arXiv.2211.13209 [hep-ph]

  Presenters

  • Leonard Gamberg

    Pennsylvania State University

  Authors

  • Leonard Gamberg

    Pennsylvania State University

  • Zhongbo Kang

    University of California, Los Angeles

  • Owen Page

    Pennsylvania State University

  View abstract →

• Extraction of Drell–Yan Angular Coefficients Using Neural Ratio Estimation in $pp$ Collisions at 120 GeV Beam Energy

  ORAL

  Oct. 19, 2025, 9:54 AM – Oct. 19, 2025, 10:06 AM

  Presenters

  • Dinupa Nawarathne

    New Mexico State University

  Authors

  • Dinupa Nawarathne

    New Mexico State University

  • Vassili Papavassiliou

    New Mexico State University

  • Stephen Pate

    New Mexico State University

  • Harsha Arachchige

    New Mexico State University

  • Huma Haider

    New Mexico State University

  View abstract →