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Analytical expressions for fusion spectra produced in "beam- target" fusion reactions

  • Author(s): Heidbrink, WW
  • et al.

Published Web Location

https://doi.org/10.1063/1.1138235Creative Commons Attribution 4.0 International Public License
Abstract

For "beam-target" fusion reactions, collimated measurements of the energy spectrum of one of the reaction products can provide information on the degree of anisotropy of the reacting beam ions. Analytical expressions relating the fusion spectrum to the velocity distribution of the beam ions are given. Application of the expressions to measurements of the spectrum of 15-MeV protons produced by reactions between energetic3He ions and relatively cold deuterons during ICRF heating in the PLT tokamak indicate that the velocity distribution of fast3He ions is peaked perpendicular to the tokamak magnetic field.

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