| Zugriffsnummer | 48145 |
| Dokumenttyp | Zeitschriftenartikel |
| Peer Review | unbekannt |
| Sprache | Deutsch |
| Titel | Bestimmung der Elektronenanzahldichte in einem Helium-Plasma |
| Übersetzungstitel | Determination of the electron density in a helium plasma |
| Autor(in); Institution |
Einfeld, D.; PTB-Berlin
Sauerbrey, Günter; 9, Institut Berlin (IB), PTB-Berlin
|
| Quelle/Jahr | Zeitschrift für Naturforschung A: 31 (1976), 3-4, 310 - 315 |
| ISSN | 0932-0784 (PRINT) ; 1865-7109 (ONLINE) |
| DOI | |
| Verlag | Berlin: De Gruyter |
| Zusammenfassung | A comparison was made between electron densities determined from the emission coefficient of the continuum radiation and from Stark broadening of line profiles using a wall stabilized pulsed arc plasma with electron temperature T = 38 000 K and electron density from 2 × 1022 m-3 to 3.5 × 1022 m-3. The measured peak separation in the profiles of the He I lines 447.1 nm and 492.2 nm was consistent with that predicted by G.B.K.O.- and B.C.S.-theory and agrees with the experimental results from Bötticher, Roder, and Wobig. The measured halfwidth of the He I 501.6 nm line agrees with the results from Kusch and shows a discrepancy to the G.B.K.O.-theory by a factor about 1.7. The results for the Stark broadening halfwidth of the He I I lines 468.6 nm and 320.3 nm lie between the values from G.K.S.- and K.G.-theory. |
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