| Zugriffsnummer | 47665 |
| Dokumenttyp | Zeitschriftenartikel |
| Peer Review | unbekannt |
| Sprache | Englisch |
| Titel | Lifetime measurements of stepwise collisional and radiative excited Mn I levels |
| Autor(in); Institution |
Becker, U.; Institut für Strahlungs- und Kernphysik der Technischen Universität Berlin, Berlin, GERMANY
Kwiatkowski, M.; Institut für Strahlungs- und Kernphysik der Technischen Universität Berlin, Berlin, GERMANY
Teppner, Ulrich; 9.41, Biosignalverarbeitung, PTB-Berlin; Institut für Strahlungs- und Kernphysik der Technischen Universität Berlin, Berlin, GERMANY
Zimmermann, P.; Institut für Strahlungs- und Kernphysik der Technischen Universität Berlin, Berlin, GERMANY
|
| Quelle/Jahr | Journal of Physics B: 13 (1980), 13, 2505 - 2516 |
| ISSN | 0953-4075 (PRINT) ; 1361-6455 (ONLINE) |
| DOI | |
| Verlag | Bristol: IOP Publishing |
| Zusammenfassung | Lifetime measurements of single fine-structure levels of the multiplets e8S, z6F, z4F and z4D of neutral manganese are described. The levels were excited stepwise by a pulsed dye laser from metastable levels populated by a discharge. The lifetimes were determined directly from the exponential decay of the fluorescence using the delayed coincidence technique. The results are compared with beam-foil data and used to derive absolute gf values by means of the branching ratios of Greenlee and Whaling (1979). Comparison of these gf values with the data compilation of the National Bureau of Standards shows large scatter. Using the results of the sun model of Holweger and Muller (1974) the mean photospheric solar Mn abundance has been determined from twelve different lines to AMn=5.47. |
