feynlag.pheno.amplitudes.amplitude_squared¶
- feynlag.pheno.amplitudes.amplitude_squared(vertex, kin)[source]¶
⟨|M|²⟩for aDecayVertex.- Raises:
NotImplementedError – for a vertex type outside
SUPPORTED_VERTEX_TYPES.
⟨|M|²⟩ for a DecayVertex.
NotImplementedError – for a vertex type outside
SUPPORTED_VERTEX_TYPES.