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REX: A Computer Program for PIXE Spectrum Resolution of Aerosols

På svenska

Author

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.

Publishing year

1976

Language

English

Pages

355-366

Publication/Series

Advances in X-Ray Analysis

Volume

19

Document type

Journal article

Publisher

International Centre for Diffraction Data

Topic

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

Keywords

  • REX
  • Fortran program for PIXE spectra
  • PIXE

Status

Published