Brian D Degraff Cryogenic Engineer Contact DEGRAFFBD@ORNL.GOV All Publications Spallation Neutron Source Hydrogen Relief Analysis for the Cryogenic Moderator System Transient Optimization of the Cryogenic Moderator System Controller at the Spallation Neutron Source for Improved Performance Real-time monitoring of the orthohydrogen fraction in a liquid hydrogen moderator Final Design Report Proton Power Upgrade Project SNS Cryogenic Test Facility Kinney Vacuum Pump Commissioning and Operation at 2 K SNS Central Helium Liquefier spare Carbon Bed installation and commissioning Overview of ten-year operation of the superconducting linear accelerator at the Spallation Neutron Source Toward a Standardized ODH Analysis Technique Improving the work function of the niobium surface of SRF cavities by plasma processing 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 SURFACE STUDIES OF PLASMA PROCESSED Nb SAMPLES Liquid nitrogen historical and current usage of the central helium liquefier at SNS Key Links Organizations
