Abstract
The process of deconvolution of a positron lifetime spectrum for searching for individual lifetime components is ill-posed, therefore the obtained values may not be unique. However, knowledge of the fraction of positrons annihilating in the 22NaCl salt and Kapton foils that consist of the positron source can partially help overcome these difficulties. Using experimental and also theoretical procedures there was found that source intensity in the spectrum is a linear function of the atomic number of the samples that sandwich the source. Several examples have shown that applying the dependency found may be useful in the deconvolution procedure. One example was the pure refractory metal, i.e., Rhenium, which was first investigated using the positron annihilation technique.
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