DOI:	10.7795/720.20220921
title:	IRSD raw alpha spectrum data for Rn-222 emanation determination 
summary:	Data measured with an IRSD and AlphaGUARD for the determination of the Rn-222 emanation from Ra-226.
creators:
-	Florian Mertes, ORCID: 0000-0003-0217-2845, Physikalisch-Technische Bundesanstalt (PTB), Fachbereich 6.1 Radioaktivität;
- Stefan Röttger, ORCID: 0000-0002-4750-9563, Physikalisch-Technische Bundesanstalt (PTB), Fachbereich 6.1 Radioaktivität;
- Annette Röttger, ORCID: 0000-0001-6858-5795, Physikalisch-Technische Bundesanstalt (PTB), Abteilung 6 Ionisierende Strahlung
license:	Creative Commons Attribution 4.0 International
keywords:	primary radioactivity standard ; low-level radon emanation ; Integrated 222Rn Source/Detector (IRSS)
classification:	
- INSPEC A2390 Other topics in nuclear decay and radioactivity ;
- INSPEC A8760R Radioactive pollution and natural radioactivity
project short + long title:	TraceRadon = Implementation of radon metrology for the analysis of the atmospheric budget of the greenhouse gases (GHG) and radiation protection in environment
funder:	European Commission (EC)
funding nr:	EMPIR 19ENV01 TraceRadon
funding acknowledgement text:	This project 19ENV01 TraceRadon has received funding from the EMPIR programme co-financed by the Participating States and from the European Union's Horizon 2020 research and innovation programme. 19ENV01 traceRadon denotes the EMPIR project reference.
link to projekt homepage:	http://traceradon-empir.eu/, https://www.researchgate.net/project/19ENV01-traceRadon, https://twitter.com/traceradon?ref_src=twsrc%5Egoogle%7Ctwcamp%5Eserp%7Ctwgr%5Eauthor
related objects:	https://doi.org/10.3390/ijerph19020840

description of individual files:
# Subfolders 50L, 500L
Subfolders contain experimental IRSD data (see https://doi.org/10.3390/ijerph19020840 for reference about the technique) with an AlphaGuard spectrometer, operated in a closed volume of (48.6 ± 0.4) L and (667.3 ± 0.7) L respectively.
- Subfolder "IRSD" contains the IRSD data:
  - File __Spectra.csv: Full alpha-spectrometric data acquired by the IRSD and derived peak areas (see https://doi.org/10.3390/ijerph19020840, Appendix A, for method description)
  - File __InferenceData.csv: SLDS-deconvolution results (see https://doi.org/10.3390/ijerph19020840, Appendix B) yielding current remaining Rn- and Ra activities, emanation, and full covariance information.
- Subfolder "AlphaGuard" contains measurement data of different AlphaGuards operated in these volumes. Timestamps are referred to the CET time zone (UTC+1)

recommended software:
All files are ASCII-coded CSV files. They may be opened with a spreadsheet program (LibreOffice), a text editor or via script, e.g. in Python.