[ Identification | Description | Input parameters | Links ]

# The `Sans_liposomes_new` Component

## Identification

- Site:
- Author: P. Willendrup, K. Lefmann, L. Arleth, L. Udby
- Origin: Risoe
- Date: 19.12.2003

## Description

    Sample for Small Angle Neutron Scattering - spherical shells in thin solution with gaussian size distribution
    The shape of the sample may be a cylinder of given radius or a box with dimensions
    xwidth, yheight, zthick. qmax defines a cutoff in q.

    Example: Sans_spheres(R = 100, dR = 5, dbilayer=35, Phi = 1e-3, Delta_rho = 0.6, sigma_a = 50, qmax = 0.3 ,xwidth=0.01, yheight=0.01, zthick=0.005)

    %BUGS
    This component does NOT simulate absolute intensities. This latter depends on the detector parameters.

## Input parameters

Parameters in boldface are required; the others are optional.

Name | Unit | Description | Default |
R |  | Radius of scattering hard spheres (AA) | 100 |
dR |  |  | 0.0 |
Phi |  | Particle volume fraction (1) | 1e-3 |
Delta_rho |  | Excess scattering length density (fm/AA^3) | 0.6 |
sigma_a |  | Absorption cross section density at 2200 m/s (m^-1) | 0.50 |
dist |  | Distance from sample to detector (m) | 6 |
Rdet |  | Detector (disk-shaped) radius (m) | 0.5 |
xwidth |  | horiz. dimension of sample, as a width (m) | 0.01 |
yheight |  | vert . dimension of sample, as a height (m) | 0.01 |
zthick |  | thickness of sample (m) | 0.005 |
qmax |  | Maximum momentum transfer (AA^-1) | 0 |
dbilayer |  | Thickness of shell (AA) | 35 |

AT ( | , | , |  | ) RELATIVE |  |
ROTATED ( | , | , |  | ) RELATIVE |

## Links

- Source code for `Sans_liposomes_new.comp`.
- The test/example instrument SANS.instr.

[ Identification | Description | Input parameters | Links ]