Production and Neutralization of Negative Ions and Beams: 11th International Symposium on the Production and Neutralization of Negative Ions and BeamsThe reported advances with small sources of negative ions, especially negative hydrogen ions, drive the progress of many accelerators and enable new research methods and technologies. Large sources of negative deuterium ions are being developed for the international experimental fusion reactor (ITER) that will require 40 MW of plasma heating. The developments increasingly use computer modeling to understand the underlying physics, improve existing, and develop new technologies. |
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Contents
Cross Section Data for Negative Ion Sources | 3 |
Statetostate and Charged Particle Kinetic Modeling of Time | 11 |
Study of Volume and Surface Effects in Pure Hydrogen Discharges | 20 |
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accelerator achieved addition allow antenna aperture applied atom axis beam current bias calculated cesium chamber collisions compared compensation components configuration cooling cross section current density density depends DESY direction discharge distance distribution drift effect efficiency electric electron emittance energy equation experimental experiments extraction FIGURE function Fusion halo heating helicon higher hydrogen improved included increase initial injection intensity International ion beam ion current ion source ITER Laboratory laser lead length magnetic field measured method negative ion negative ion source neutral obtained operation parameters particles performed Physics plasma grid positive positive ions possible potential present pressure probe processes production pulse reduced region shown in Fig shows simulation space charge supply surface voltage volume wall