ampform 0.8.0a0

No project description provided

AmpForm

[](https://github.com/pre-commit/pre-commit) [](https://prettier.io/) [](https://github.com/psf/black) [](https://pycqa.github.io/isort)

Formulate amplitude models in different formalisms! Visit ampform.rtfd.io for more info!

For an overview of upcoming releases and planned functionality, see here.

Available features

• Input: Particle database
  • Source of truth: PDG
  • Predefined particle list file
  • Option to overwrite and append with custom particle definitions
• State transition graph
  • Feynman graph like description of the reactions
  • Visualization of the decay topology
• Conservation rules
  • Open-closed design
  • Large set of predefined rules
    • Spin/Angular momentum conservation
    • Quark and Lepton flavor conservation (incl. isospin)
    • Baryon number conservation
    • EM-charge conservation
    • Parity, C-Parity, G-Parity conservation
    • CP-Parity conservation
    • Mass conservation
  • Predefined sets of conservation rules representing Strong, EM, Weak interactions
• PWA formalisms (for amplitude model generation)
  • Helicity formalism
  • Canonical formalism
  • Tensor formalisms
• Amplitude model: Convert the state transition graphs to an amplitude model that is mathematically expressed with SymPy and can be converted to any backend (see tensorwaves).

Contribute

See CONTRIBUTING.md