Out with the old

Data taking at the LHC recently ended , and we now begin a period of several years of upgrades to the detector and trigger system. Before we can install the new systems, we need to clear out the legacy equipment that won’t take part in the Phase 2 upgrade. Today I had the bittersweet experience of decommissioning part of the CMS trigger system, together with Aaron Bundock and Sudan Paramesvaran .…