Cesium volume reactions are included in a two-point model numerical code for a high power hydrogen negative ion source. The energy balance equation for the electron temperature and rate equations of Cs and Cs+ are included in our code to investigate the electron cooling and volume effects by cesium seeding. Cesium density in the ion source is taken as a variable for the calculation. Cesium is ionized over 95% in the driver region of the ion source. The electron temperature begins to decrease at cesium density 1011 cm-3 and the electron density increases because of the ionization of cesium.
|Number of pages||3|
|Journal||Review of Scientific Instruments|
|Issue number||2 II|
|Publication status||Published - 2000 Feb|
|Event||The 8th International Conference on Ion Sources (ICIS '99) - Kyoto, Japan|
Duration: 1999 Sept 6 → 1999 Sept 10
ASJC Scopus subject areas