Instrument model

• Beam
• Scan
• Detectors
• Neutron polarization

• Introduction
  • Functionality overview
  • Architectural overview

• Install or build
  • Install Python
    • Python on Linux
    • Python on Windows
    • Python on Mac
    • Python modules
  • Install BornAgain
    • Linux
    • Windows
    • MacOS
  • Build BornAgain
    • Unix
      • Install third-party software
      • Get the source
      • Build and install BornAgain
      • Run a first simulation
    • Windows
  • Developer build

• Graphical user interface
  • Quick Start
  • GUI overview
  • Fitting in the GUI

• Python scripting
  • Run a script
  • Understand the syntax
  • Fitting

• Script examples
  • Simulation
    • Specular
    • without DWBA terms
    • GISAS
    • Off-specular
    • SAS
      • Polarized SANS
    • Depth probe
      • Thin film
      • Transmitted modulus
      • Resonator
  • Instrument
    • Neutron polarization
      • Magnetic layer
      • Ditto, realistic instrument
      • Polarized scattering
  • Sample
    • Roughness
      • Reflectivity, default model
      • Different roughness models
      • Scattering
    • Particles
      • Compound particle
      • Core and shell
      • Crossing an interface
      • Rotation example
      • Dense cylinders
      • Dense hemispheres
      • Polydispersity
    • Assemblies
      • Lattice orientation distribution
  • Fitting
    • Fitting with masks
    • Custom objective function
    • Fitting along slices
    • GISAS 2D fits
    • Experiment at GALAXI
    • Find background
    • Minimizer settings
    • Bayesian Sampling
    • Consecutive fitting
    • Considering uncertainties
    • External minimizer
    • External minimizer: plotting
    • Simultaneous fit of two datasets
    • Spin asymmetry fit example
    • Reflectometry: Fit Pt layer
    • Reflectometry: Fit honeycomb
  • Plot and export
    • Accessing simulation results
      • Accessing simulation results
      • Plotting with axes in different units
    • SLD profile
      • SLD profile with rough interfaces
      • SLD profile with a sliced particle layer
    • Find intensity peaks

• Reference
  • Simulation model
    • Simulation classes
      • Specular
      • Scattering
      • Off-specular
      • Depth probe
    • Common settings
      • Background
      • Options
        • Monte-Carlo
        • # threads
        • Average materials
        • Include specular
      • Progress monitor
    • Class SimulationResult
  • Instrument model
    • Beam
      • Footprint
      • Beam divergence
      • Beam Angular Spread
      • Beam Wavelength Spread
    • Scan
      • TOF reflectometry
      • TOF resolution
    • Detectors
      • Spherical detector
      • Detector resolution function
      • Rectangular detector
      • Offspec detector
    • Neutron polarization
      • Spin asymmetry example
  • Sample model
    • Materials
      • Magnetization
    • Multilayer
      • Layer
      • Layout
    • Rough interfaces
    • Particles
      • Form factor
        • Hard particles
          • Bipyramid4
          • Box
          • CantellatedCube
          • Cone
          • Cylinder
          • Dodecahedron
          • EllipsoidalCylinder
          • HemiEllipsoid
          • HorizontalCylinder
          • Icosahedron
          • PlatonicOctahedron
          • PlatonicTetrahedron
          • Prism3
          • Prism6
          • Pyramid2
          • Pyramid3
          • Pyramid4
          • Pyramid6
          • Sphere
          • Spheroid
          • TruncatedCube
          • TruncatedSphere
          • TruncatedSpheroid
        • Ripples
        • Soft particles
          • FuzzySphere
          • Gauss
        • Custom formfactor
      • Composite particles
        • Core and shell
        • Compound particle
    • Particle assemblies
      • Uncorrelated mixture
      • Grating
        • 1D lattice
        • Cosine ripples in a lattice
        • Triangular ripples in a lattice
        • Rectangular grating
      • 2D lattice
        • Hexagonal lattices with basis
        • 2D rotated square lattice
        • 2D square finite lattice
        • Position variance
        • 2D centered square lattice
        • Spheres on Hexagonal Lattice
      • Radial paracrystal
      • 2D paracrystal
      • Others
        • Size-distribution model: decoupling approximation
        • Size-distribution model: local monodisperse approximation
        • Size-distribution model: size-spacing coupling approximation
  • Common modifiers
    • Rotation
    • Distributions
  • Fitting
    • Data import
      • TIFF
    • Minimizer settings
  • Plot and export
    • Matplotlib configuration

• Literature
  • Babonneau2010
  • Babonneau2013
  • Croset2021
  • Lazzari2002
  • Lazzari2006
  • Pospelov2020
  • Renaud2009
  • Sears1992
  • Wuttke2021

• How to
  • Get announcements
  • Solve known problems
  • Request help or report bugs
  • Contribute to this documentation
  • Cite BornAgain