pub fn py_kopf_kmatrix_f0(
tags: &Bound<'_, PyTuple>,
couplings: [[PyParameter; 2]; 5],
channel: PyKopfKMatrixF0Channel,
mass: PyMass,
seed: Option<usize>,
) -> PyResult<PyExpression>Expand description
Construct the fixed Kopf f0 K-matrix amplitude.