John D Mammosser Sr. SCL Systems Engineer Contact mammosserjd@ornl.gov | 757.334.1672 All Publications Final Design Report Proton Power Upgrade Project... Overview of ten-year operation of the superconducting linear accelerator at the Spallation Neutron Source... Improving the work function of the niobium surface of SRF cavities by plasma processing... In-situ plasma processing to increase the accelerating gradients of SRF cavities... In-situ plasma processing to increase the accelerating gradients of superconducting radio-frequency cavities Improving the work function of the niobium surface of SRF cavities by plasma processing INITIAL COMMISSIONING EXPERIENCE WITH THE SPALLATION NEUTRON SOURCE VERTICAL TEST AREA RF SYSTEM... SUPERCONDUCTING LINAC UPGRADE PLAN FOR THE SECOND TARGET STATION PROJECT AT SNS... SURFACE STUDIES OF PLASMA PROCESSED Nb SAMPLES... Low-temperature mechanical properties of superconducting radio frequency cavity materials...