Zugriffsnummer 21755
Dokumenttyp Zeitschriftenartikel
Sprache Englisch
Titel Low-Level gamma-ray spectrometry for analysing fusion plasma conditions
Autor(in); Institution
Wieslander, J. S. Elisabeth; EU Commission - JRC-IRMM, Institute for Reference Materials and Measurements, Geel, BELGIUM; University of Jyväskylä, Department of Physics, Jyväskylä, FINLAND
Mult, Mikael; EU Commission - JRC-IRMM, Institute for Reference Materials and Measurements, Geel, BELGIUM
Bonheure, Georges; Royal Military Academy, Laboratory for Plasma Physics, Brussels, BELGIUM
Arnold, Dirk; 6.1, Radioaktivität, PTB-Braunschweig
Dombrowski, Harald; 6.2, Dosimetrie für die Strahlentherapie, PTB-Braunschweig
Gasparro, Joel; EU Commission - JRC-IRMM, Institute for Reference Materials and Measurements, Geel, BELGIUM
Laubenstein, Matthias; Laboratori Nazionali del Gran Sasso, Assergi (AQ), ITALY
Marissens, Gerd; EU Commission - JRC-IRMM, Institute for Reference Materials and Measurements, Geel, BELGIUM
Vermaercke, Peter; SCK CEN, Mol, BELGIUM
Quelle/Jahr Nuclear Instruments and Methods in Physics Research A: 591 (2008), 2, 383 - 393
ISSN 0168-9002
DOI
Verlag Amsterdam: Elsevier
Klassifikationscode PACS: 52.55.Fa ; PACS: 52.70.NC ; PACS: 29.30.Kv ; PACS: 29.40.Wk
Freie Schlagworte Ultra low-level gamma-ray spectrometry ; Thermonuclear fusion ; Underground laboratory ; Charged particles ; Activation
Zusammenfassung A mew method, combining activation by neutrons and charged particles with ultra low-level gamma-ray spectrometry, aimed at obtaining a better understanding and more adequate measurements of MeV particle leaks in magnetic fusion devices was studied here. A total of 36 samples containing Ti, LiF, B, C and W were placed in a boron-nitride holder mounted on the ceiling of the JET Tokamak. The samples were activated by 63 pulses from a D-3He plasma and were later measured using underground gamma-ray spectrometry. The radionuclides 7Be, 46Sc, 54Mn, 56Co, 58Co, 124Sb, 181Hf, 182Ta, 181W and 185W were detected in several of the samples, with very low levels of activity of, 47Sc and 48V found in a few of the samples. The various production channels for the radionuclides in question are discussed.

Zitierung

Wieslander, J. S. E., Mult, M., Bonheure, G., Arnold, D., Dombrowski, H., Gasparro, J., Laubenstein, M., Marissens, G., & Vermaercke, P. (2008). Low-Level gamma-ray spectrometry for analysing fusion plasma conditions. Nuclear Instruments and Methods in Physics Research A, 591(2), 383–393. https://doi.org/10.1016/j.nima.2008.02.052

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