integral_breadth
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integral_breadth [2018/03/19 07:40] – created rowlesmr3 | integral_breadth [2022/11/03 15:08] (current) – external edit 127.0.0.1 | ||
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+ | ====== Integral Breadth ====== | ||
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+ | The integral breadth is an alternative definition of a peak width; it is the width of a rectangle with the same height as the peak. | ||
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+ | There are some macros below that give the IB of a peak given its parameters. | ||
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+ | See also [[peak_shapes]]. | ||
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+ | Macro by: Matthew Rowles. | ||
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+ | |||
+ | <code topas> | ||
+ | '' | ||
+ | '' | ||
+ | macro & Integral_Breadth_PV(& | ||
+ | { | ||
+ | fwhm / (lor (2/Pi) + (1-lor) 2 Sqrt(Ln(2)/ | ||
+ | } | ||
+ | |||
+ | macro & Integral_Breadth_G(& | ||
+ | { | ||
+ | fwhm / (2 Sqrt(Ln(2)/ | ||
+ | } | ||
+ | |||
+ | macro & Integral_Breadth_L(& | ||
+ | { | ||
+ | fwhm / (2/Pi) | ||
+ | } | ||
+ | |||
+ | macro & Integral_Breadth_PVII(& | ||
+ | { | ||
+ | (fwhm Sqrt(Pi) Gamma_Approx(m-0.5)) / (2 Sqrt(2^(1/ | ||
+ | } | ||
+ | </ | ||