Abstract
An important computational operation in a set of spectra is that of aligning them to a reference spectrum. In X-ray fluorescence, this is referred to as energy calibration and may be necessary for fitting low-count acquisitions. It may be useful for multi-element detector systems. Typically, this is carried out in a linear manner, and sometimes requires user feedback. Automated methods exist but are often focused on specific type of data. We propose a new automated method that is based on a nonlinear approach and is specialised for X-ray fluorescence data. The initial application in two different multi-element detector systems in the TwinMic beamline (Elettra – Sincrotrone Trieste) yielded promising results. Copyright © 2016 John Wiley & Sons, Ltd.
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