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Doppler broadening of gamma ray lines

Domenii publicaţii > Fizica + Tipuri publicaţii > Articol în revistã ştiinţificã

Autori: V.G. Kiptily, G. Gorini, M. Tardocchi, P.C. de Vries, F.E. Cecil, I.N. Chugunov, T. Craciunescu, M. Gatu Johnson, D. Gin, V. Goloborod’ko, C. Hellesen, T. Johnson, K. Kneupner, A. Murari, M. Nocente, E. Perelli, A. Pietropaolo, S.D. Pinches, I. Proverbio,

Editorial: Nuclear Fusion, 50, p.084001-10, 2010.


The Doppler broadening of individual γ -ray lineswas measured with a high purity germanium detector in JET plasma experiments. High-resolution γ -ray spectrometry of nuclear reactions between energetic D, 3-He and 4-He 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 γ -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.

Cuvinte cheie: JET plasma, fast ions distribution, gamma rays, doppler broadenning