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A method for determining fast alpha particle confinement in tokamak plasmas using resonant nuclear reactions

1986; Elsevier BV; Volume: 245; Issue: 2-3 Linguagem: Inglês

10.1016/0168-9002(86)91296-9

1872-9576

F. E. Cecil, S. J. Zweben, S. S. Medley,

Quantum Chromodynamics and Particle Interactions

The resonant nuclear reactions D(α, γ)6Li, 6Li(α, γ)10B, and 7Li(α, γ)11B are examined as diagnostics of fast alpha particle confinement in tokamak plasmas. Gamma rays from these resonant reactions with energies from 2.1 to 9.2 MeV may be used to infer the alpha particle population between energies of 0.4 and 2.6 MeV. The ratio of these alpha burnup reactions to the reactions T(D, γ)5He and 3He(D, γ)5Li provides a technique for the measurement of alpha confinement.