Peak overlap is a recurrent issue ina lpha-particle spectrometry, not only in routine analyses but also in the high-resolution spectra from which reference values for alpha emission probabilities are derived. In this work, improved peak shape formulae are presented for the deconvolution of alpha-particle spectra. They have been implemented as fit functions in a spreadsheet application and optimum fit parameters were searched with built-in optimisation routines. Deconvolution results are shown for a few challenging spectra with high statistical precision. The algorithm outperforms the best available routines for high-resolution spectrometry, which may facilitate a more reliable determination of alpha emission probabilities in the future. It is also applicable to alpha spectra with inferior energy resolution.
POMME Stefaan;
CARO MARROYO Belen;
2015-01-12
PERGAMON-ELSEVIER SCIENCE LTD
JRC91846
0969-8043,
http://www.sciencedirect.com/science/article/pii/S0969804314004175,
http://dx.doi.org/10.1016/j.apradiso.2014.11.023,
https://publications.jrc.ec.europa.eu/repository/handle/JRC91846,
10.1016/j.apradiso.2014.11.023,
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