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14.89 The SANSSpheresPolydisperse McStas Component
A sample of mono- or polydisperse spherical particles in solution.
Identification
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Author: Linda Udby (udby@nbi.dk) - modified from SANSSpheres by Martin Cramer Pedersen (mcpe@nbi.dk)
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Origin: KU-Science
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Date: October 17, 2012
Description
A simple component simulating the scattering from a box-shaped, thin solution of monodisperse, spherical particles.
Input parameters
Parameters in boldface are required; the others are optional.
|
Name |
Unit |
Description |
Default |
|
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|
R |
Å |
Radius of the spherical particles. |
100.0 |
|
dR |
Å |
Variance of the radius of spherical particles. Default 0 (monodisperse spheres) |
0.0 |
|
Concentration |
mM |
Concentration of sample. |
0.01 |
|
DeltaRho |
cm/Å\(^{3}\) |
Excess scattering length density of the particles. |
1.0e-14 |
|
AbsorptionCrosssection |
1/m |
Absorption cross section of the sample. |
0.0 |
|
xwidth |
m |
Dimension of component in the x-direction. |
|
|
yheight |
m |
Dimension of component in the y-direction. |
|
|
zdepth |
m |
Dimension of component in the z-direction. |
|
|
SampleToDetectorDistance |
m |
Distance from sample to detector (for focusing the scattered neutrons). |
|
|
DetectorRadius |
m |
Radius of the detector (for focusing the scattered neutrons). |
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Links
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Component source code found in file SANSSpheresPolydisperse.comp.
