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This fitting function models the elastic part of the dynamics structure factor of a particle undergoing continuous diffusion but confined to a spherical volume, ElasticDiffSphere.
Because of the spherical symmetry of the problem, the structure factor is expressed in terms of the \(j_l(z)\) spherical Bessel functions.
Name | Type | Default | Description |
---|---|---|---|
Q | |||
WorkspaceIndex |
\(Q\) (double, default=1.0) Momentum transfer
Name | Default | Description |
---|---|---|
Height | 1.0 | Scaling factor to be applied to the resolution. |
Centre | 0.0 | Shift along the x-axis to be applied to the resolution. |
Radius | 2.0 | Sphere radius |
Categories: FitFunctions | QuasiElastic
C++ header: ElasticDiffSphere.h (last modified: 2021-03-31)
C++ source: ElasticDiffSphere.cpp (last modified: 2021-03-31)