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| Home > Publications database > SiPM-on-Tile Technology for the Phase II upgrade of the CMS High Granularity Endcap Calorimeter (HGCAL) |
| Home > Publications database > SiPM-on-Tile Technology for the Phase II upgrade of the CMS High Granularity Endcap Calorimeter (HGCAL) |
| Poster | PUBDB-2022-07893 |
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2022
Abstract: The CMS Collaboration is preparing to replace its endcap calorimeters for the HL-LHC era with a high-granularity calorimeter (HGCAL). The HGCAL will have fine segmentation in both the transverse and longitudinal directions, and will be the first such imaging calorimeter specifically optimized for particle-flow reconstruction to operate at a colliding-beam experiment. It is a sampling calorimeter that will use silicon sensors as well as scintillator tiles read out by silicon photomultipliers (SiPMs) as the active material. The HGCAL will be operated at -30° C. The SiPMs will be used in areas where the expected radiation dose during the lifetime of the detector is up to 5x10¹³ n/cm².The technology consisting of scintillator tiles of a few centimetre lengths read out individually by SiPMs, is known as the SiPM-on-tile technology. The basic detector unit in the SiPM-on-tile part is the tileboard consisting of a PCB with one or two HGCROC ASICs, SiPMs, scintillators and other onboard electronic systems. These modules have undergone beam tests at DESY II, investigating the interplay of the components and evaluating the performance with several types of the scintillator tiles and SiPM sizes. This poster will give an overview on of the SiPM-on-tile technology and report on these beam tests.
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