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T: Fachverband Teilchenphysik

T 90: Calorimeters II

T 90.2: Talk

Friday, March 20, 2026, 09:15–09:30, KH 00.015

Wrapping 160.000 scintillators in 300 days. HGCAL upgrade challenges — •Jorge Ortiz — Deutsches Elektronen-Synchrotron (DESY), Notkestr. 85, 22607 Hamburg, Germany — Universität Hamburg, Mittelweg 177, 20148 Hamburg, Germany

The High Granularity Calorimeter (HGCAL) will replace the current endcap calorimeters of the CMS detector to meet the challenging conditions of the High-Luminosity LHC, including unprecedented radiation levels and pile-up. The hadronic section of the HGCAL requires approximately 280,000 plastic scintillator tiles in 35 different sizes, which are produced in the US. At DESY, around 160,000 of these tiles will be wrapped in reflective foil and subjected to quality control. Given the scale of the task, automation is essential.

In this talk, I will present the system developed at DESY to automate the wrapping, detailing the technical challenges and the current performance of the setup based on the first production batch of more than 10.000 tiles.

Keywords: Wrapping; Scintillator tiles; Automation; High Granularity Calorimeter; LHC endcap upgrade