Robert F Welton Senior Ion Source Physicist Contact welton@ornl.gov | 865.241.9479 All Publications Improvements to the internal and external antenna H− ion sources at the Spallation Neutron Source... Workshop on Performance Variations in H- Ion Sources 2012: PV H-12... Recent Performance of the SNS H-Source for 1-MW Neutron Production... Emittance Characterization of the Spallation Neutron Source H- Injector... OPTICAL EMISSION SPECTROSCOPY STUDIES OF THE SPALLATION NEUTON SOURCE (SNS) H- ION SOURCE... Low-energy beam transport studies supporting the Spallation Neutron Source 1-MW beam operationa... Low-energy beam transport studies supporting the spallation neutron source 1-MW beam operation... Producing Persistent, High-Current, High-Duty-Factor H- Beams for Routine 1 MW Operation of SNS... Ion Source Development at the SNS... Performance of the H- Ion Source Supporting 1-MW Beam Operations at SNS... Towards Understanding the Cesium Cycle of the Persistent H- Beams at SNS... Surface Plasma Source Electrode Activation by Surface Impurities... H- Ion Sources for High Intensity Proton Drivers... THE CONTINUED DEVELOPMENT OF THE SNS EXTERNAL ANTENNA H- ION SOURCE... The SNS External Antenna H- Ion Source... DEVELOPMENT OF THE SNS EXTERNAL ANTENNA H- ION SOURCE... RF H- Ion Source with Saddle Antenna... DOUBLING THE SNS H- BEAM CURRENT WITH THE BASELINE LBNL H- ION SOURCE... rf improvements for Spallation Neutron Source H-ion source... Emittance studies of the SNS external-antenna H- ion source... Computer simulations for rf design of a Spallation Neutron Source external antenna H− ion source... Ramping up the SNS Beam Power with the H- Source using 0 mg Cs/Day... Next Generation H- Ion Sources for the SNS... SNS Saddle Antenna H- Ion Source Project... RAMPING UP THE SNS BEAM CURRENT WITH THE LBNL BASELINE H- SOURCE... Pagination First page « First Previous page ‹‹ Page 1 Current page 2 Page 3 Next page ›› Last page Last » Key Links Curriculum Vitae ORCID Organizations Neutron Sciences Directorate