Alpha particle loss in the TFTR DT experiments

S. J. Zweben, D. S. Darrow, H. W. Herrmann, S. H. Batha, R. V. Budny, C. S. Chang, Z. Chang, E. D. Fredrickson, D. L. Jassby, L. C. Johnson, F. M. Levinton, H. E. Mynick, D. K. Owens, J. F. Schivell, S. D. Scott, M. H. Redi, J. D. Strachan, K. Tobita, K. M. Young

Research output: Contribution to journalArticlepeer-review

47 Citations (Scopus)


Alpha particle loss was measured during the TFTR DT experiments with a scintillator detector located at the vessel bottom in the ion Del B drift direction. The DT alpha particle loss to this detector was consistent with the calculated first orbit loss over the whole range of plasma current I=0.6-2.7 MA. In particular, the alpha particle loss rate per DT neutron at a given plasma current did not increase significantly with fusion power up to 10.7 MW, indicating the absence of any new 'collective' alpha particle loss processes in these experiments.

Original languageEnglish
Article numberI01
Pages (from-to)893-917
Number of pages25
JournalNuclear Fusion
Issue number8
Publication statusPublished - 1995


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