A5066904973- Particle accelerators and beam dynamics
- Particle Accelerators and Free-Electron Lasers
- Nuclear Physics and Applications
- Superconducting Materials and Applications
- Magnetic confinement fusion research
- Nuclear reactor physics and engineering
- Plasma Diagnostics and Applications
Oak Ridge National Laboratory
2006-2020
The LANSCE accelerator is currently powered by a filament-driven, biased converter-type H- ion source that operates at 10%, the highest plasma duty factor for this type of source, using only ∼2.2 SCCM H2. needs to be replaced every 4 weeks, which takes up days. measured negative beam current 12-16 mA falls below desired 24 acceptance LANCSE accelerator. SNS (Spallation Neutron Source) RF-driven, injects ∼50 into 60 Hz with 6% and an availability >99.5% but requires ∼30 Up 7 A h have been...
The Spallation Neutron Source under construction in Oak Ridge TN has commissioned low power beam up to 187 MeV. number of MPS inputs is about 20% the final envisioned. Start-up problems, including noise and false trips, have largely been overcome by replacing copper with fiber adding filters as required. Initial recovery time from Machine Protection System (MPS) trips was slow due a hierarchy latched system: at device level, input layer, operator interface level. By reprogramming FPGA such...