A soft particle with Gaussian density distribution $$n(\mathbf{r})=e^{-r^2/(2R^2)}.$$
Gauss(R)
Parameters:
As for any other Form factor.
Class Gauss inherits from the interface class IFormFactor .
The form factor is computed as $$F(q)=R^3 \exp\left(-|q|^2R^2/(4\pi)\right).$$