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A Lorentzian function is defined as:
where:
Note that the FWHM (Full Width Half Maximum) equals two times HWHM, and the integral over the Lorentzian equals the intensity scaling A.
The figure below illustrate this symmetric peakshape function fitted to a TOF peak:
Name | Default | Description |
---|---|---|
Amplitude | 1.0 | Intensity scaling |
PeakCentre | 0.0 | Centre of peak |
FWHM | 0.0 | Full-width at half-maximum |
Categories: FitFunctions | Peak
C++ header: Lorentzian.h (last modified: 2021-05-26)
C++ source: Lorentzian.cpp (last modified: 2021-03-31)