Interpretation of N parameters in a dynamical coupledchannel approach

1
Dynamical coupled channel analysis
Excited Baryon Analysis Center
Bruno Julia-Diaz, T.-S. Harry Lee, Akihiko
Matsuyama, Mark Paris, and Toru Sato

• Objective
• Complete analysis and interpretation of N
  resonance data to address DOE 2009 milestone
• Method
• Analysis Solve dynamical coupled channel
  equations in Hamiltonian formalism (Sato-Lee
  model)
• Interpretation Ab-initio calculations of N
  strong and electromagnetic transition form
  factors

2
N interpretation and modeling
Excited Baryon Analysis Center
Bruno Julia-Diaz, T.-S. Harry Lee, Akihiko
Matsuyama, Mark Paris, and Toru Sato

• Model resonance structure calculations
• Variational Monte Carlo (VMC)
• Greens function Monte Carlo (GFMC)
• Relativistic dynamics
• Potential model fits to data
• Hamiltonian formalism
• Strong and electromagnetic transitions

• Recent results
• VMC pentaquark study
• MWP PRL 95,202002 (2005)