AmpForm 0.15.11

See all documentation for this version here.

✨ New features

• New expression classes (#484)
  • BreakupMomentumKallen
  • BreakupMomentumSingleSqrt
  • PhaseSpaceFactorKallen
  • PhaseSpaceFactorSingleSqrt

⚠️ Enhancements and optimizations

• PhaseSpaceFactor now uses a single square root again (#484)
• AmpForm is now tested Python 3.14 (#481)

⚠️ API changes

• Dropped support for Python 3.9 (#482)

📝 Documentation

• Added benchmarks and numerical precision investigation for different definitions of phase space factor (#484)

🔨 Maintenance

• Upgraded lock files (#481)

The full changelog as commits can be found here.