| Zugriffsnummer | 45120 |
| Dokumenttyp | Zeitschriftenartikel |
| Peer Review | mit Peer Review |
| Sprache | Englisch |
| Titel | Half-life determination of 213Bi and 209Pb by means of Cherenkov counting and detection with a NaI detector |
| Autor(in); Institution |
Takacs, Marcell Peter; 6.1, Radioaktivität, PTB-Braunschweig
Kossert, Karsten; 6.1, Radioaktivität, PTB-Braunschweig
|
| Quelle/Jahr | Applied Radiation and Isotopes: 167 (2020), 1 - 6 |
| Artikelnummer | 109425 |
| ISSN | 0969-8043 (PRINT) ; 1872-9800 (ONLINE) |
| DOI | |
| Verlag | Amsterdam: Elsevier |
| Freie Schlagworte | TDCR ; Cherenkov counting ; Gamma spectroscopy ; 213Bi ; 209Pb ; Half-lives |
| Zusammenfassung | An 225Ac source was prepared and combined with a dedicated setup to collect recoil atoms which are ejected as a consequence of alpha decay. Some targets were made of acrylic glass and were then placed in custom-built triple-to-double coincidence ratio (TDCR) counters to measure the Cherenkov counting rates as a function of time. Half-lives of 213Bi and 209Pb were derived from the data. In addition, polyethylene films were used as targets to collect recoil atoms. These films were then measured in a well-type NaI detector to detect gamma rays. The analysis of the data yielded an independent result for the half-life of 213Bi. Combining the results of both measurement techniques, T1/2(213Bi) = (45.60 ± 0.09) min was obtained as a final value for the half-life of213Bi. The half-life of 209Pb was found to be T1/2(209Pb) = (195.1 ± 2.6) min. |
| Kostenfreier Zugang | Open Access Hybrid |
| Rechteinformation | CC BY 4.0 ; Creative Commons Attribution 4.0 License |