Karlsruhe 2024 – scientific programme

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T: Fachverband Teilchenphysik

T 39: Detectors 4 (calorimeters)

T 39.6: Talk

Tuesday, March 5, 2024, 17:15–17:30, Geb. 30.23: 2/1

System Validation of the SiPM-on-Tile Section of the CMS High Granularity Calorimeter — •Gabriele Milella — DESY — University of Hamburg

Calorimetry at the High Luminosity Large Hadron Collider (HL-LHC), especially in the forward regions, encounters two significant challenges: to cope with high radiation levels and manage an unprecedented number of simultaneous events. To address these issues, the CMS Collaboration is planning to replace the endcap calorimeters with a high-granularity calorimeter (HGCAL). This innovative sampling calorimeter uses as active materials silicon sensors and scintillator tiles, which are read out by silicon photomultipliers (SiPMs). The fundamental component of the SiPM-on-tile system is the tile module, which includes a printed circuit board (PCB) equipped with one or two HGCROC ASICs, capable of reading a high number of SiPMs. The tile modules have been studied at the DESY-II test beam and undergone various laboratory trials. The production of the tile modules for the upgrade is scheduled to commence next year. This presentation presents the current status and plans for future production of the SiPM-on-tile region of the CMS HGCAL.

Keywords: Calorimetry; HGCAL; system validation; test beam; cms