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Evaluation of low-energy tailing parameters of a HPGe X-ray detector to be used in GUPIX software library for PIXE analysis

Shariff, Asad LU ; Martinsson, Bengt LU ; Auzelyte, Vaida LU ; Elfman, Mikael LU ; Kristiansson, Per LU ; Malmqvist, Klas LU ; Nilsson, Christer LU ; Pallon, Jan LU and Wegdén, Marie LU (2004) In Nuclear Instruments & Methods in Physics Research. Section B: Beam Interactions with Materials and Atoms 219-20. p.110-114
Abstract
Accurate description of the response function of X-ray detectors is important for quantitative PIXE analysis. For analytical description of low-energy tailing in PIXE spectra, the GUPIX approach was used, i.e. a combination of Hypermate type functions. The low-energy tailing parameters of a low-energy high purity germanium X-ray detector in the region 1.3-9.2 keV was determined by systematic fitting of X-ray spectra from thin MicroMatter standards. Except for the main Gaussian peak and germanium escape peaks, one shelf, one truncated shelf, one exponential function and KMM radiative Auger feature was applied to fit the spectral data collected with this low-energy Ge X-ray detector. The overall trend of different tail parameters shows... (More)
Accurate description of the response function of X-ray detectors is important for quantitative PIXE analysis. For analytical description of low-energy tailing in PIXE spectra, the GUPIX approach was used, i.e. a combination of Hypermate type functions. The low-energy tailing parameters of a low-energy high purity germanium X-ray detector in the region 1.3-9.2 keV was determined by systematic fitting of X-ray spectra from thin MicroMatter standards. Except for the main Gaussian peak and germanium escape peaks, one shelf, one truncated shelf, one exponential function and KMM radiative Auger feature was applied to fit the spectral data collected with this low-energy Ge X-ray detector. The overall trend of different tail parameters shows similar characteristic as those for Si(Li) X-ray detectors used in this energy range, i.e. very strong tailing at low X-ray energies and a rapid fall off with increasing X-ray energy. The fitted parameters, as a function of X-ray energy, were then incorporated into the GUPIX library for PIXE analysis. (C) 2004 Elsevier B.V. All rights reserved. (Less)
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author
organization
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Contribution to journal
publication status
published
subject
keywords
HPGe-detector, response function, PIXE, tailing parameter, GUPIX
in
Nuclear Instruments & Methods in Physics Research. Section B: Beam Interactions with Materials and Atoms
volume
219-20
pages
110 - 114
publisher
Elsevier
external identifiers
  • wos:000221895800022
  • scopus:2342594529
ISSN
0168-583X
DOI
10.1016/j.nimb.2004.01.037
language
English
LU publication?
yes
id
c2fdb21d-be16-4e2c-9e59-dd1de6567e65 (old id 275116)
date added to LUP
2007-12-11 19:42:19
date last changed
2017-01-01 06:40:59
@article{c2fdb21d-be16-4e2c-9e59-dd1de6567e65,
  abstract     = {Accurate description of the response function of X-ray detectors is important for quantitative PIXE analysis. For analytical description of low-energy tailing in PIXE spectra, the GUPIX approach was used, i.e. a combination of Hypermate type functions. The low-energy tailing parameters of a low-energy high purity germanium X-ray detector in the region 1.3-9.2 keV was determined by systematic fitting of X-ray spectra from thin MicroMatter standards. Except for the main Gaussian peak and germanium escape peaks, one shelf, one truncated shelf, one exponential function and KMM radiative Auger feature was applied to fit the spectral data collected with this low-energy Ge X-ray detector. The overall trend of different tail parameters shows similar characteristic as those for Si(Li) X-ray detectors used in this energy range, i.e. very strong tailing at low X-ray energies and a rapid fall off with increasing X-ray energy. The fitted parameters, as a function of X-ray energy, were then incorporated into the GUPIX library for PIXE analysis. (C) 2004 Elsevier B.V. All rights reserved.},
  author       = {Shariff, Asad and Martinsson, Bengt and Auzelyte, Vaida and Elfman, Mikael and Kristiansson, Per and Malmqvist, Klas and Nilsson, Christer and Pallon, Jan and Wegdén, Marie},
  issn         = {0168-583X},
  keyword      = {HPGe-detector,response function,PIXE,tailing parameter,GUPIX},
  language     = {eng},
  pages        = {110--114},
  publisher    = {Elsevier},
  series       = {Nuclear Instruments & Methods in Physics Research. Section B: Beam Interactions with Materials and Atoms},
  title        = {Evaluation of low-energy tailing parameters of a HPGe X-ray detector to be used in GUPIX software library for PIXE analysis},
  url          = {http://dx.doi.org/10.1016/j.nimb.2004.01.037},
  volume       = {219-20},
  year         = {2004},
}