peak_height

Syntax

peak_height = 8.0e-7
Meaning

Minimum SED intensity required for pySED to treat a point in a q-slice as a real peak. It is the basic intensity cutoff for automatic Lorentzian peak fitting.

Default

No parser default.

Notes

This is the first gate for automatic peak detection. A peak must be higher than this value before pySED attempts a Lorentzian fit.

Set this parameter from a single-q-point slice first. Use plot_slice = 1 and inspect both the plotted spectrum and the frequencies printed by pySED. If peak_height is too high, weak but real branches are missed. If it is too low, random noise and small shoulders may be fitted as artificial phonon modes.

For noisy spectra, tune peak_height together with peak_prominence. Height controls the absolute intensity threshold, while prominence controls how clearly a peak stands out from its local background.

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