You are viewing an old version of this page. View the current version.

Compare with Current View Page History

« Previous Version 27 Next »

The cross section within the small angle approximation for particles in a solution reads

<math>\frac

Unknown macro: {d Sigma}
Unknown macro: {d Omega}

\equiv n \Delta \rho^2 V_p^2 \left| S(\mathbf

Unknown macro: {q}

)\right|^2 P(\mathbf

)</math>

where the particle density is given by

<math>n = \frac

Unknown macro: {N}
Unknown macro: {V}

</math>

The scattering length density contrast between the particles and the solvent reads

<math> \Delta \rho(\mathbf

Unknown macro: {r}

) = \rho_b(\mathbf

) - \rho_s </math>

The particle form factor reads

<math> P(\mathbf

Unknown macro: {q}

) = \left| \frac

Unknown macro: {1}

\int dV e^{-i \mathbf

Unknown macro: {q}

\cdot \mathbf{r}} \right|^2</math>

  • No labels