Analyticity

• Phase space factor definitions
  • Common definitions
  • Cut structure
  • Numerical precision and performance
  • Dispersion integral
• Phase space factor widget
• Numerical integration
  • Chew–Mandelstam dispersion integral
  • Numerical implementation
  • Interactive visualization
• Continuation into other Riemann sheets
  • \(T\) matrix definition
  • Symbolic dispersion integral
  • \(T\) matrix parametrization
  • Sheets II, III, and IV
  • Visualize sheets
    • 2D
    • Lineshape
    • Connection (\(Im(T)\) v.s. \(Im(\sqrt{s})\) )