Debra L Barnhart Cryomodules Technician Contact barnhart@ornl.gov | 865.776.3574 All Publications Overview of ten-year operation of the superconducting linear accelerator at the Spallation Neutron Source... 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 Key Links Curriculum Vitae Organizations Neutron Sciences Directorate