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Mikael Elfman

Researcher

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Calibration of a new chamber using GUPIX software package for PIXE analysis

Author

  • Asad Shariff
  • K Bulow
  • Mikael Elfman
  • Per Kristiansson
  • Klas Malmqvist
  • Jan Pallon

Summary, in English

A new chamber has been designed and constructed for the second beam line at the Lund Nuclear Microprobe facility, Sweden. The aim with the chamber is to perform standardized analyses with most of the nuclear analytical techniques (proton induced X-ray emission, particle elastic scattering analysis, proton induced gamma emission, nuclear reaction analysis, etc.) with a millimetre size beam. The beam line and chamber constructions are described in this paper. The possibility to run samples in batch. and the special arrangement developed for this is described. A mass calibration of the PIXE set-up has been done with MicroMatter thin film standards and other thick standards. The spectra were acquired with CAMAC based data acquisition system with Kmax interfacing software. The GUPIX software package recently installed in our laboratory has been used to process the PIXE spectra and the results are compared with the certified values. For standardization the instrumental constant H (solid angle and correction factor) is determined relying completely on the GUPIX data base (cross-sections, fluorescence and Coster-Kronig probabilities, stopping powers and attenuation coefficients) for a large set of elements. These H values are saved inside the GUPIX library, to be used in future analysis.

Department/s

  • Nuclear physics

Publishing year

2002

Language

English

Pages

131-137

Publication/Series

Nuclear Instruments & Methods in Physics Research. Section B: Beam Interactions with Materials and Atoms

Volume

189

Issue

1-4

Document type

Journal article

Publisher

Elsevier

Topic

  • Subatomic Physics

Keywords

  • PIXE
  • calibration
  • GUPIX

Status

Published

Research group

  • Nuclear Microprobe

ISBN/ISSN/Other

  • ISSN: 0168-583X