| coreshellmicrogel (SASfit) |
This file has been automatically generated by sasfit_convert and manually edited by Wojciech Potrzebowski, ESS on 2017-12-07.
The model calculates an empirical functional form for SAS data chara... |
Sphere |
07 Dec 2017 |
wojciechpotrzebowski |
0 |
|
| broad-peak (SASfit) |
This file has been automatically generated by sasfit_convert and manually edited by Wojciech Potrzebowski, ESS on 2017-12-05.
The model calculates an empirical functional form for SAS data chara... |
Shape-Independent |
07 Dec 2017 |
wojciechpotrzebowski |
0 |
|
| nanodisc_simple |
This is a simple model that loads the built-in "core_shell_bicelle" model and re-defines its fit parameters in molecular terms. For example, you would specify the number of lipids, number of belt p... |
Cylinder |
04 Dec 2017 |
tecleveland |
0 |
|
| Bcc Paracrystal |
.. warning:: This model and this model description are under review following concerns raised by SasView users. If you need to use this model, please email help@sasview.or... |
Paracrystal |
07 Sep 2017 |
sasview |
0 |
|
| Line |
This model calculates intensity using simple linear function
Definition
The scattering intensity $I(q)$ is calculated as
$$ I(q) = \text{scale} (A + B \cdot q) + \text{background}
$$
... |
Shape-Independent |
07 Sep 2017 |
sasview |
0 |
|
| Parallelepiped |
# parallelepiped model # Note: model title and parameter table are inserted automatically Definition
This model calculates the scattering from a rectangular solid (`parallelepiped-image`). If... |
Parallelepiped |
07 Sep 2017 |
sasview |
0 |
|
| Guinier |
Definition
This model fits the Guinier function
$$ I(q) = \text{scale} \cdot \exp{\left[ \frac{-Q^2 R_g^2 }{3} \right]} + \text{background}
$$
to the data directly without any need for l... |
Shape-Independent |
07 Sep 2017 |
sasview |
0 |
|
| Cylinder |
# cylinder model # Note: model title and parameter table are inserted automatically
For information about polarised and magnetic scattering, see the `magnetism` documentation.
Definition
... |
Cylinder |
07 Sep 2017 |
sasview |
0 |
|
| Two Power Law |
Definition
The scattering intensity $I(q)$ is calculated as
$$ I(q) = \begin{cases} A q^{-m1} + \text{background} & q <= q_c \\ C q^{-m2} + \text{background} & q > q_c \end{cases}
$$
whe... |
Shape-Independent |
07 Sep 2017 |
sasview |
0 |
|
| Pringle |
Definition
The form factor for this bent disc is essentially that of a hyperbolic paraboloid and calculated as
$$ P(q) = (\Delta \rho )^2 V \int^{\pi/2}_0 d\psi \sin{\psi} sinc^2 \left( \... |
Cylinder |
07 Sep 2017 |
sasview |
0 |
|
| Linear Pearls |
This model provides the form factor for $N$ spherical pearls of radius $R$ linearly joined by short strings (or segment length or edge separation) $l$ $(= A - 2R)$. $A$ is the center-to-center pear... |
Sphere |
07 Sep 2017 |
sasview |
0 |
|
| Polymer Micelle |
This model provides the form factor, $P(q)$, for a micelle with a spherical core and Gaussian polymer chains attached to the surface, thus may be applied to block copolymer micelles. To work wel... |
Sphere |
07 Sep 2017 |
sasview |
0 |
|
| Lorentz |
Lorentz (Ornstein-Zernicke Model)
Definition
The Ornstein-Zernicke model is defined by
$$ I(q)=\frac{\text{scale}}{1+(qL)^2}+\text{background}
$$
The parameter $L$ is the screening len... |
Shape-Independent |
07 Sep 2017 |
sasview |
0 |
|
| Fcc Paracrystal |
#fcc paracrystal model #note model title and parameter table are automatically inserted #note - calculation requires double precision .. warning:: This model and this model description are under re... |
Paracrystal |
07 Sep 2017 |
sasview |
0 |
|
| Raspberry |
Definition
The figure below shows a schematic of a large droplet surrounded by several smaller particles forming a structure similar to that of Pickering emulsions.
Schematic of the... |
Sphere |
07 Sep 2017 |
sasview |
0 |
|
| Onion |
This model provides the form factor, $P(q)$, for a multi-shell sphere where the scattering length density (SLD) of each shell is described by an exponential, linear, or constant function. The form ... |
Sphere |
07 Sep 2017 |
sasview |
0 |
|
| Power Law |
#power_law model #conversion of PowerLawAbsModel.py #converted by Steve King, Dec 2015
This model calculates a simple power law with a flat background.
Definition
$$ I(q) = \text{scale... |
Shape-Independent |
07 Sep 2017 |
sasview |
0 |
|
| Squarewell |
# Note: model title and parameter table are inserted automatically Calculates the interparticle structure factor for a hard sphere fluid with a narrow, attractive, square well potential. **The Mean... |
Structure Factor |
07 Sep 2017 |
sasview |
0 |
|
| Gel Fit |
*This model was implemented by an interested user!*
Unlike a concentrated polymer solution, the fine-scale polymer distribution in a gel involves at least two characteristic length scales, a sho... |
Shape-Independent |
07 Sep 2017 |
sasview |
0 |
|
| Peak Lorentz |
This model describes a Lorentzian shaped peak on a flat background.
Definition
The scattering intensity $I(q)$ is calculated as
$$ I(q) = \frac{scale}{\bigl(1+\bigl(\frac{q-q_0}{B}\big... |
Shape-Independent |
07 Sep 2017 |
sasview |
0 |
|