Spallation neutron source saddle antenna H- ion source project

作者：Dudnikov Vadim^*; Johnson Rolland P; Dudnikova Galina; Stockli Martin; Welton Robert

来源：Review of Scientific Instruments, 2010, 81(2): 02A709.

DOI：10.1063/1.3277183

• antennas in plasma
• hydrogen ions
• ion sources
• negative ions
• plasma confinement
• plasma density
• plasma sources

In this project we are developing an H- source which will synthesize the most important developments in the field of negative ion sources to provide high current, high brightness, good lifetime, high reliability, and high power efficiency. We describe two planned modifications to the present spallation neutron source external antenna source in order to increase the plasma density near the output aperture: (1) replacing the present 2 MHz plasma-forming solenoid antenna with a 13 MHz saddle-type antenna and (2) replacing the permanent multicusp magnetic system with a weaker electromagnet.

• 出版日期2010-2