Rong-Li Geng Distinguished scientist and group leader, SRF Group Contact gengr@ornl.gov | 865.341.1399 All Publications SRF Levitation and Trapping of Nanoparticles... Preliminary Cryogenic Cold Test Results of the First 9-Cell LSF Shape Cavity... Key Links ORCID Organizations Neutron Sciences Directorate Research Accelerator Division Accelerator Systems Section Superconducting RF Group