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Doppler broadening of gamma ray lines and fast ion distribution in JET plasmas
KTH, School of Electrical Engineering (EES), Fusion Plasma Physics.ORCID iD: 0000-0002-7142-7103
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Number of Authors: 25
2010 (English)In: Nuclear Fusion, ISSN 0029-5515, E-ISSN 1741-4326, Vol. 50, no 8, 084001- p.Article in journal (Refereed) Published
Abstract [en]

The Doppler broadening of individual gamma-ray lines was measured with a high purity germanium detector in JET plasma experiments. High-resolution gamma-ray spectrometry of nuclear reactions between energetic D, He-3 and He-4 ions accelerated by ion cyclotron resonance heating and main plasma impurities such as carbon and beryllium has been used. The nuclear reactions giving rise to gamma-rays have been identified and an effective temperature of the heated ions has been obtained in JET discharges. This technique could be used for fast ion and fusion alpha-particle studies in ITER.

Place, publisher, year, edition, pages
2010. Vol. 50, no 8, 084001- p.
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Physical Sciences
URN: urn:nbn:se:kth:diva-29635DOI: 10.1088/0029-5515/50/8/084001ISI: 000280505800002ScopusID: 2-s2.0-78149290357OAI: diva2:408300
QC 20110404. Author count: 25Available from: 2011-04-04 Created: 2011-02-11 Last updated: 2012-02-13Bibliographically approved

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