Baoxi Han Senior Scientist and Group Leader, SNS Front End Systems Group Contact hanb@ornl.gov | 865.414.6437 All Publications Negative hydrogen ion sources for particle accelerators: Sustainability issues and recent improvements in long-term operation... Recent performance of the SNS H− ion source with a record long run... H− ion source research and development at the Oak Ridge National Laboratory... Tests of Cs-Free Operation of the SNS RF H⁻ Ion Sources... Installation and commissioning of the ion source systems for the new spallation neutron source 2.5 MeV injector... Simulations of Beam Chopping for Potential Upgrades of the SNS LEBT Chopper... LANL NPB Project: Ion Source Selection and Development Path... Status of the new SNS injector and external antenna ion source... Optimization of the cesiation process for the spallation neutron source (SNS) H− ion sources... ALTERNATIVE CONFIGURATION AND TIMING CONTROL FOR BEAM CHOPPING SYSTEM AT THE SNS LINAC... Pulse Generator for Beam Deflector at the SNS Beam Test Facility... Refined Beam Measurements on the SNS H- Injector... A New 2.5 MeV Injector and Beam Test Facility for the Spallation Neutron Source... Record Performance of and Extraction Studies with the Spallation Neutron Source H- Injector... Recent Performance of and Plasma Outage Studies with the SNS H- Source... Characterization of the CW starter plasma RF matching network for operating the SNS H- ion source with lower H2 flows... The status of the SNS external antenna ion source and spare RFQ test facility... Recent Performance and Ignition Tests of the pulsed SNS H- Source for 1-MW Neutron Production ... A look ahead: Status of the SNS external antenna ion source and the new RFQ test stand... Ion extraction from a saddle antenna RF surface plasma source... Application of Optical Emission Spectroscopy for the SNS H- Ion Source Plasma Studies... Low Energy Beam Transport System Developments... Recent Performance of the SNS H- ion source and low-energy beam transport system... Plasma emission spectroscopy for operating and developing the Spallation Neutron Source (SNS) H- ion sources... Improvements to the internal and external antenna H− ion sources at the Spallation Neutron Source... Pagination Current page 1 Page 2 Page 3 Next page ›› Last page Last » Key Links ORCID Organizations Neutron Sciences Directorate