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Name Description Category Upload Date Author Score Verified
Hayter Msa # Note: model title and parameter table are inserted automatically Calculates the interparticle structure factor for a system of charged, spheroidal, objects in a dielectric medium [1,2]. When comb... Structure Factor 07 Sep 2017 sasview 0
Broad Peak Definition This model calculates an empirical functional form for SAS data characterized by a broad scattering peak. Many SAS spectra are characterized by a broad peak even though they are fr... Shape-Independent 07 Sep 2017 sasview 0
Multilayer Vesicle Definition This model is a trivial extension of the core_shell_sphere function where the core is filled with solvent and is surrounded by $N$ shells of material (such as lipids) interleaved w... Sphere 07 Sep 2017 sasview 0
Stickyhardsphere # Note: model title and parameter table are inserted automatically Calculates the interparticle structure factor for a hard sphere fluid with a narrow, attractive, potential well. Unlike the `squar... Structure Factor 07 Sep 2017 sasview 0
Spherical Sld Definition Similarly to the onion, this model provides the form factor, $P(q)$, for a multi-shell sphere, where the interface between the each neighboring shells can be described by the error... Sphere 07 Sep 2017 sasview 0
Gauss Lorentz Gel This model calculates the scattering from a gel structure, but typically a physical rather than chemical network. It is modeled as a sum of a low-q exponential decay (which happens to give a functi... Shape-Independent 07 Sep 2017 sasview 0
Core Shell Bicelle Elliptical Definition This model provides the form factor for an elliptical cylinder with a core-shell scattering length density profile [#Onsager1949]_. Thus this is a variation of the core-shell bicel... Cylinder 07 Sep 2017 sasview 0
Triaxial Ellipsoid # triaxial ellipsoid model # Note: model title and parameter table are inserted automatically Definition Ellipsoid with $R_a$ as *radius_equat_minor*, $R_b$ as *radius_equat_major* ... Ellipsoid 07 Sep 2017 sasview 0
Adsorbed Layer Definition This model describes the scattering from a layer of surfactant or polymer adsorbed on large, smooth, notionally spherical particles under the conditions that (i) the particles (cor... Sphere 07 Sep 2017 sasview 0
Two Lorentzian Definition The scattering intensity $I(q)$ is calculated as $$ I(q) = \frac{A}{1 +(Q\xi_1)^n} + \frac{C}{1 +(Q\xi_2)^m} + \text{B} $$ where $A$ = Lorentzian scale factor #1, $C$ = Lorent... Shape-Independent 07 Sep 2017 sasview 0
Vesicle Definition This model provides the form factor, *P(q)*, for an unilamellar vesicle and is effectively identical to the hollow sphere reparameterized to be more intuitive for a vesicle and nor... Sphere 07 Sep 2017 sasview 0
Surface Fractal This model calculates the scattering from fractal-like aggregates based on the Mildner reference. Definition The scattering intensity $I(q)$ is calculated as $$ \begin{align*} I(q) = \... Shape-Independent 07 Sep 2017 sasview 0
Core Multi Shell Definition This model is a trivial extension of the CoreShell function to a larger number of shells. The scattering length density profile for the default sld values (w/ 4 shells). ... Sphere 07 Sep 2017 sasview 0
Core Shell Sphere .. _core_shell_sphere: This model provides the form factor, $P(q)$, for a spherical particle with a core-shell structure. The form factor is normalized by the particle volume. For information... Sphere 07 Sep 2017 sasview 0
Hollow Rectangular Prism Thin Walls # rectangular_prism model # Note: model title and parameter table are inserted automatically Definition This model provides the form factor, $P(q)$, for a hollow rectangular prism with infinitel... Parallelepiped 07 Sep 2017 sasview 0
Mono Gauss Coil #mono_gauss_coil model #conversion of DebyeModel.py #converted by Steve King, Mar 2016 This Debye Gaussian coil model strictly describes the scattering from *monodisperse* polymer chains in theta s... Shape-Independent 07 Sep 2017 sasview 0
Elliptical Cylinder # pylint: disable=line-too-long Elliptical cylinder geometry $a = r_\text{minor}$ and $\nu = r_\text{major} / r_\text{minor}$ is the *axis_ratio*. The function calculated is $$ I... Cylinder 07 Sep 2017 sasview 0
Fuzzy Sphere For information about polarised and magnetic scattering, see the `magnetism` documentation. Definition Scattering from spheres with a Gaussian interface. The scattering intensity $I(q)$... Sphere 07 Sep 2017 sasview 0
Porod This model is a special case of the power law model, deriving its special name from the Porod Law which it models, where the power law exponent is fixed to -4. $$ I(q) = C/q^4 + Background $$ W... Shape-Independent 07 Sep 2017 sasview 0
star_polymer_v2 Reparametrised version, fits Rg not Rg^2^ Documentation corrected, see ticket #962, with grateful thanks to Ziang Li for pointing out the issues. The models is still noisy at very small Q when Rg... Shape-Independent 22 May 2017 richardh 0

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