Joint Physics Analysis Center

JPAC acknowledges support from the U.S. Department of Energy, the U.S. National Science Foundation and the Comunidad de Madrid


  1. High energy model for tensor meson photoproduction: $\gamma p \to T p$ page
  2. High energy model for $\gamma p \to \eta \pi^0 p$ and di-meson moments: $\gamma p \to \eta\pi^0 p$ page
  3. High energy model for $\gamma N \to \pi N$ constrained by FESR: $\gamma N \to \pi N$ page
  4. High energy model for $\rho^0, \omega,\phi$ spin density matrix elements: $\gamma p \to V p$ page
  5. High energy model for $\eta'$ beam asymmetry photoproduction: $\gamma p \to \eta^{(')} p$ page
  6. High energy model for $\eta$ photoproduction: $\gamma p \to \eta p$ page
  7. High energy model for $\pi^0$ photoproduction: $\gamma p \to \pi^0 p$ page
  8. Model for $J/\psi$ photoproduction $\gamma p \to J/\psi p$: unpolarized observables ; polarized observables
  1. Pion-nucleon Scattering:
  2. Kaon-nucleon scattering: $\bar K N\to \bar K N$ page

Three-body Decay: Isobar decomposition and recoupling coefficients.
Light Meson Decay:
  1. $\eta$ meson into three pions: $\eta\to 3 \pi$ page
  2. vector meson into three pions: $\omega,\phi \to 3\pi$ page
Heavy Baryon Decay:
  1. $\Lambda_b^0 \to J/\psi p K^- $ and the $P_c(4312)^+$: $P_c(4312)^+$ page

About JPAC

The Joint Physics Analysis Center (JPAC) was set up in October 2013 between Indiana University (IU) and the Thomas Jefferson National Accelerator Facility (JLab).
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JPAC meeting : every Tuesday/Thursday 10am EST (EDT during spring/summer) Request the Zoom ID

JPAC full members

Name Institution
Miguel Albaladejo Jefferson Lab
Lukasz Bibrzycki Pedagogical University of Kracow
César Fernández-Ramírez National Autonomous University of Mexico
Astrid Hiller Blin Jefferson Lab
Sergi Gonzàlez-Solís Indiana University
Vincent Mathieu Complutense University of Madrid
Mikhail Mikhasenko CERN
Viktor Mokeev Jefferson Lab
Emilie Passemar Indiana University
Alessandro Pilloni ECT*-Trento
Adam Szczepaniak Indiana University
Daniel Winney Indiana University

JPAC affiliated members

Name Institution
Igor Danilkin Johannes Gutenberg University
Sebastian Dawid Indiana University
Andrew Jackura Old Dominion University
Emmanuel Ortíz Pacheco National Autonomous University of Mexico
Robert Perry National Chiao-Tung University
Arkaitz Rodas College of William and Mary
Nathan Sherrill Indiana University
Jorge A. Silva-Castro National Autonomous University of Mexico

Group Pictures

2017 Summer School in Reaction Theory, Bloomington (IN)

2017 HADRON conference, Salamanca (Spain)

2017 Workshop on Future Directions in Spectroscopy Analysis, Mexico city

2018 JLab Director's day, JLab