<abstract xmlns="http://www.w3.org/1999/xhtml"><p> The paper contains a description of a method for the analysis of the complex alpha spectra generated during the measurement of the activity of filters outside of a vacuum chamber under environmental conditions. The peaks corresponding to the energies of alpha particles emitted by the specific isotopes are particularly large on the low-energy side of the peak maximum, and the energy resolution strongly depended on the applied filters. The analysis was based on the non-linear regression to a function designed for four, six and eight parameters. Satisfactory results were obtained for each of these functions, and the best-fitting results were achieved for the eight-parameter function. In addition, the uncertainties related to the estimated parameters, as well as the signals corresponding to functions that describe the shape of the energy peak, have been evaluated. There are also examples of the implementation of the method with respect to short-lived radon progeny and thoron decay products.</p></abstract>

The paper contains a description of a method for the analysis of the complex alpha spectra generated during the measurement of the activity of filters outside of a vacuum chamber under environmental conditions. The peaks corresponding to the energies of alpha particles emitted by the specific isotopes are particularly large on the low-energy side of the peak maximum, and the energy resolution strongly depended on the applied filters. The analysis was based on the non-linear regression to a function designed for four, six and eight parameters. Satisfactory results were obtained for each of these functions, and the best-fitting results were achieved for the eight-parameter function. In addition, the uncertainties related to the estimated parameters, as well as the signals corresponding to functions that describe the shape of the energy peak, have been evaluated. There are also examples of the implementation of the method with respect to short-lived radon progeny and thoron decay products.

Deconvolution of alpha spectra from air filters applied for measurements of the short-lived radon progeny concentration

Nukleonika

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

The paper contains a description of a method for the analysis of the complex alpha spectra generated during the measurement of the activity of filters outside...

Deconvolution of alpha spectra from air filters applied for measurements of the short-lived radon progeny concentration

Publié en ligne: 22 juil. 2017

Pages: 229 - 234

Reçu: 03 juin 2016

Accepté: 16 mai 2017

DOI: https://doi.org/10.1515/nuka-2017-0033

Mots clés
alpha spectroscopy, ambient pressure, spectrum analysis, non-linear regression, radon progeny, thoron progeny

© by Krystian Skubacz

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Deconvolution of alpha spectra from air filters applied for measurements of the short-lived radon progeny concentration

Publié en ligne: 22 juil. 2017

Pages: 229 - 234

Reçu: 03 juin 2016

Accepté: 16 mai 2017

DOI: https://doi.org/10.1515/nuka-2017-0033

Mots clésalpha spectroscopy, ambient pressure, spectrum analysis, non-linear regression, radon progeny, thoron progeny

© by Krystian Skubacz

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Mots clés
alpha spectroscopy, ambient pressure, spectrum analysis, non-linear regression, radon progeny, thoron progeny