Group members James Watson and Ethan Bernard install LZ cathode high voltage system- March 2020
James Watson (back) and a colleague sealing the inner cone to the LZ inner cryostat vessel. Oxygen masks had to be worn because of nitrogen purging.
The cathode high voltage umbilical is shown attached to the LZ detector.
James Watson (left) and Ethan Bernard (right) wearing breathing apparatus that provides oxygen and removes CO2. The breathing apparatus is needed because of nitrogen purging.