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DT2, a PIXE spectra simulation and fitting package

Reis, M. A. ; Chaves, P. C. ; Alves, L. C. ; Barradas, N. P.

X-ray spectrometry, 2008-03, Vol.37 (2), p.100-102 [Periódico revisado por pares]

Chichester, UK: John Wiley & Sons, Ltd

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  • Título:
    DT2, a PIXE spectra simulation and fitting package
  • Autor: Reis, M. A. ; Chaves, P. C. ; Alves, L. C. ; Barradas, N. P.
  • Assuntos: Analytical chemistry ; Chemistry ; Exact sciences and technology ; Spectrometric and optical methods
  • É parte de: X-ray spectrometry, 2008-03, Vol.37 (2), p.100-102
  • Notas: ark:/67375/WNG-2JNXV84F-X
    Presented at 11th International Conference on Particle Induced X-ray Emission and its Analytical Applications, PIXE 2007, Puebla, Mexico, 25-29 May 2007.
    ArticleID:XRS1027
    istex:E44697E3C0F8B25533AB71BFE594E8AD70A7FCCB
    Presented at 11th International Conference on Particle Induced X‐ray Emission and its Analytical Applications, PIXE 2007, Puebla, Mexico, 25–29 May 2007.
    SourceType-Scholarly Journals-2
    ObjectType-Feature-2
    ObjectType-Conference Paper-1
    content type line 23
    SourceType-Conference Papers & Proceedings-1
    ObjectType-Article-3
  • Descrição: Recently, a new PIXE code, LibCPIXE, was produced as a variant to the old DATTPIXE package following a simulation‐based approach usually not used in PIXE data handling. This approach required to merge the PIXE data handling code, LibCPIXE to NDF, a well‐known code for handling RBS and other IBA methods data, and showed that complex structures in the samples can dramatically change the observed PIXE yields. A full stepwise process was then undertaken in order to produce a new PIXE data handling code that uses the simulation approach not only to estimate the number of K‐α and L‐α x‐rays emitted by the elements present in structured samples but to fit the entire PIXE energy spectra. This approach is of particular importance for the new high x‐ray energy and high resolution PIXE set‐up being installed at ITN, for the precise interpretation of PIXE spectra from complex targets, and also as a robust basis to relative yield ion energy dependence (RYIED) work discussed elsewhere in this conference. In this communication we present the fitting core for the new DT2 package and discuss its capacity. Copyright © 2008 John Wiley & Sons, Ltd.
  • Editor: Chichester, UK: John Wiley & Sons, Ltd
  • Idioma: Inglês
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