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Maier-Saupe Maier-Saupe dispersion for orientation $w(\theta) = e^{a{\cos^2 \theta}}$ This provides a close match to the gaussian distribution for low angles, but the tails are limited to $\pm 90^\circ$. For $a \ll 1$ the distribution is approximat...
Cyclic Gaussian Cyclic gaussian dispersion for orientation. $w(\theta) = e^{-\frac{\sin^2 \theta}{2 \sigma^2}}$ This provides a close match to the gaussian distribution for low angles, but the tails are limited to $\pm 90^\circ$. For $\sigma$ large the...
Cumulants The Method of Cumulants. Definition THIS MODEL IS NOT INTENDED FOR THE ANALYSIS OF SAXS/SANS DATA! This model is in part provided to illustrate the utility of SasView as a fitting program for the analysis of input data that is not $I(q)... Cumulants DLS DLS analysis by the method of Cumulants. Definition THIS MODEL IS NOT INTENDED FOR THE ANALYSIS OF SAXS/SANS DATA! This model is in part provided to illustrate the utility of SasView as a fitting program for the analysis of input data t... Peak Voigt This model describes a pseudo-Voigt shaped peak on a flat background. Definition This pseudo-Voigt peak function is a weighted linear summation of Lorentzian (L) and Gaussian (G) peak shapes. The usefulness of this function is that it produce... Long Cylinder Cylinder model for long cylinders. Background The default numerical integration scheme in SasView leads to numerical instabilities in the calculation of the cylinder form factor when the length of the cylinders becomes too long. For practical ... Sphere Concentration A Spheres with uniform scattering length density reparameterized to used to use the *volume number density* of spheres, NOT the volume fraction of spheres as in the normal SasView sphere model. Also note that, unlike most other SasView models, th... Binary Blend Two-component RPA model with a flat background. DEFINITION This model calculates the scattering from a two component polymer blend using the Random Phase Approximation (RPA). The two polymers are assumed to be monodisperse. The scattered... Exponential Flexible exponential model with a flat background. DEFINITION This model calculates a variety of exponential functions. The scattered intensity$I(q)$is calculated as$I(q) = \text{scale} \cdot exp(-\text{prefactor} \cdot q^{\text{ex...