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REX: A Computer Program for PIXE Spectrum Resolution of Aerosols

In English

Författare

Summary, in English

REX is a Fortran program for analysis of spectra obtained in PIXE analysis. The underlying model is still under development; however, one year of experience has demonstrated REX’s capability to be a fast reliable tool. The modeling of the different components and effects of the physical model is briefly discussed. Evidence is shown that secondary effects mostly due to Compton-scattering in and around the detector are important factors. In order to assure that heavy elements are recorded with sufficient sensitivity during short bombardment times, low energy X-rays are suppressed but not completely absorbed by use of a Mylar absorber with a hole. Such an absorber sometimes introduces severe problems for other techniques of spectrum analysis. However, to REX there is only the job to find the transmission curve of the absorber.

Publiceringsår

1976

Språk

Engelska

Sidor

355-366

Publikation/Tidskrift/Serie

Advances in X-Ray Analysis

Volym

19

Dokumenttyp

Artikel i tidskrift

Förlag

International Centre for Diffraction Data

Ämne

  • Production Engineering, Human Work Science and Ergonomics
  • Subatomic Physics

Nyckelord

  • REX
  • Fortran program for PIXE spectra
  • PIXE

Status

Published