An Equilibrium in Negative Hydrogen Ion Production Process Related to the Sheet Plasma Experiment

概要

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In the sheet plasma experiment, plasma potentials decreased but negative hydrogen Jon currentsincreased toward the outside. The negative hydrogen ions are pushed inside by the electric fieldand are not coming out from the plasma unless an equilibrium exists somehow. A relationbetween negative hydrogen Jon currents and plasma potentials is well explained by the one-dimensional Saha equation, from which the electron temperature 1.3 eV is obtained, This valueis very close to the electron temperature 1 eV of the Langmuir method. A reasonable negativehydrogen Jon density is also calculated from the equation. We conclude that electrons, hydrogenatoms and negative hydrogen ions are in equilibrium.
社団法人日本物理学会の論文
1996-08-15