9.1.1. dynamics

import polarimetry.lhcb.dynamics

Dynamics lineshape definitions for the LHCb amplitude model.

formulate_bugg_breit_wigner(decay_chain: ThreeBodyDecayChain) → tuple[BuggBreitWigner, dict[Symbol, float | complex]]

formulate_exponential_bugg_breit_wigner(decay_chain: ThreeBodyDecayChain) → tuple[Expr, dict[Symbol, float | complex]]

See this paper, Eq. (4).

formulate_flatte_1405(decay_chain: ThreeBodyDecayChain) → tuple[FlattéSWave, dict[Symbol, float | complex]]

formulate_breit_wigner(decay_chain: ThreeBodyDecayChain) → tuple[BreitWignerMinL, dict[Symbol, float | complex]]