HGCal Front End Trigger Algorithm Studies

For the upcoming high-luminosity run of the Large Hadron Collider, the Compact Muon Solenoid (CMS) Collaboration will replace the endcap electromagnetic and hadronic calorimeters with a High Granularity Calorimeter (HGCal). The proposed HGCal design includes a front end Concentrator ASIC, which, among other tasks, determines what raw trigger information is passed through to the Level I trigger system. The choice of trigger algorithm for this task depends on a variety of factors, including detector occupancy, bandwidth constraints, energy resolution, shower shape reconstruction, and overall physics performance. We will present studies comparing the performance of multiple potential front end trigger algorithms, and discuss the outlook and timeline for selecting the best algorithm for the eventual HGCal Concentrator chip design.