Joint Physics Analysis Center projects website

JPAC acknowledges support from the U.S. DOE, the U.S. NSF, CONACYT, and PAPIIT-DGAPA


  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:
  1. 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