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Jun 7 – 10, 2021
Asia/Shanghai timezone


ZOOM link: <please click here>.


Having entered the 12 GeV era at JLab and with upgraded and new facilities worldwide using electromagnetic and hadronic probes, the world has embarked on an ambitious program of experiments to determine hadron elastic and transition form factors, GPDs, and TMD structure functions and therewith expose the one- and three-dimensional structure of hadrons. It is therefore imperative to develop phenomenology and theory that can convert the data into insights that will expose the character of interaction dynamics at the strong QCD frontier, where QCD's running-coupling and -masses become large and hadrons and atomic nuclei are generated. This workshop will gather experts in experiment, phenomenology and theory in order to develop plans and build collaborations that will ensure science fully capitalizes on these capital investments.

The following themes will be canvassed by keynote speakers and in associated discussion.

  • Hadron spectroscopy and structure; and insights into the emergence of hadron mass.
  • Advances in the exploration of hadron spectra, including hybrid states, via photo-, electro-, and hadroproduction.
  • Amplitude analyses for extraction of ground/excited-state and hybrid hadron properties.
  • Hadron spectra and strong QCD symmetries.
  • Ground-state nucleon form factors and PDF, advances in experiment, phenomenology and theory.
  • Strong QCD from combined studies of the ground and excited nucleon states: experiment, phenomenology and theory.
  • Lattice-QCD advances in description of hadron spectrum and structure.
  • Light front holography and models of hadron structure.
  • Emergence of the structure of atomic nuclei from strong QCD.
  • Femtographic imaging of ground- and excited-state hadrons, including mechanical properties from the stress-energy tensor.
  • 3-D nucleon structure from SIDIS: experiment and theory.
  • Progress toward a multi-faceted/synergistic theory framework for gaining insight into strong QCD from the studies of hadron spectrum and structure.
  • Expanding insights into strong QCD from experiments with Electron-Ion Colliders in the USA and China.


Organizing Committee

  • Craig D. Roberts, Nanjing University (Chair),
  • Marco Battaglieri, Jefferson Lab,
  • Volker D. Burkert, Jefferson Lab,
  • Daniel S. Carman, Jefferson Lab,
  • Abhay Deshpande, SUNY-Stonybrook,
  • Jerry P. Draayer, LSU,
  • Latifa Elouadrhiri, Jefferson Lab,
  • Rolf Ent, Jefferson Lab,
  • Ralf W. Gothe, University  of South Carolina.
  • Kyungseon Joo, University of Connecticut,
  • Victor I. Mokeev, Jefferson Lab,
  • Jianwei Qiu, Jefferson Lab,
  • David G. Richards, Jefferson Lab,
  • Adam Szczepaniak, University of Indiana.


Teleworkshop Administrator:

    Zhu-Fang Cui, Nanjing University, phycui@nju.edu.cn


Each day: 7 lectures + 1discussion session
Lectures = 20+5 = 25 minutes
Discussion = 30 minutes
Times: US East Coast: 08:00-12:00 ... Europe: 14:00-18:00 ... Nanjing : 20:00-24:00

This teleworkshop follows the successful JLab event:

November 2019<https://www.jlab.org/conference/QCD2019>,

and two earlier meetings:

  • The Nature of Hadron Mass and Quark-Gluon Confinement from JLab Experiments in the 12-GeV Era, 2018 July 1-4,APCTP, Korea
  • Nucleon and Resonance Structure with Hard Exclusive Processes, 2017 May29-31,Orsay, France