Darian Kent Mechanical Design Engineer Contact KENTDN@ORNL.GOV All Publications Optical design for the single crystal neutron diffractometer Pioneer EXPANSE: A time-of-flight EXPanded Angle Neutron Spin Echo spectrometer at the Second Target Station of the Spallation Neutron Source CHESS: The future direct geometry spectrometer at the second target station Key Links ORCID Organizations Neutron Sciences Directorate