SNIP, a statistics-sensitive background treatment for the quantitative analysis of PIXE spectra in geoscience applications

C. G. Ryan*, E. Clayton, W. L. Griffin, S. H. Sie, D. R. Cousens

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

277 Citations (Scopus)

Abstract

Statistical fluctuations in X-ray spectra must be treated properly for reliable quantitative PIXE analysis. A background approximation that provides reliable treatment of fluctuations, the Statistics-sensitive Non-linear Iterative Peak-clipping (SNIP) algorithm, is described. Monte Carlo simulation demonstrates the stability of this background approximation, and hence the deduced trace element concentrations, over a wide range of counting statistics.

Original languageEnglish
Pages (from-to)396-402
Number of pages7
JournalNuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms
Volume34
Issue number3
DOIs
Publication statusPublished - 1988
Externally publishedYes

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