28.4.2 BWF

Function

 y=y_0+\frac{H\left( 1+\frac{x-x_c}{qw}\right) ^2}{1+\left( \frac{x-x_c}w\right) ^2}

Brief Description

Breit-Wigner-Fano (BWF) line shape

Sample Curve

BWFCurve.png

Parameters

Number: 5

Names: y0,xc,H,w,q

Meanings: y0 = Base, xc = Center, H = Height, W = Width, q = Asym

Lower Bounds: none

Upper Bounds: none

Function File

fitfunc\BWF.fdf