Volume 544 - 43rd International Conference on High Energy Physics (ICHEP2026) - Session Operation, Performance and Upgrade of Present Detectors
Test and qualification of the service hybrids of the CMS Phase-II Outer Tracker for HL-LHC
M. Alves Gallo Pereira
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Abstract
The High-Luminosity LHC (HL-LHC) upgrade represents a major milestone for the LHC experiments. It will deliver an instantaneous luminosity of up to $5 - 7.5 \times 10^{34}\,\mathrm{cm}^{-2}\mathrm{s}^{-1}$, greatly extending the physics reach through precision measurements of the Standard Model and searches for new phenomena.
To meet the demanding conditions of HL-LHC operation, CMS will install a new silicon Outer Tracker (OT) as part of its Phase-II upgrade. The detector will comprise approximately 13,000 modules of two types, PS (pixel-strip) and 2S (strip-strip). The common two-sensor module concept enables on-detector transverse momentum discrimination by correlating hits at the Level-1 trigger.
The INFN-Genoa CMS group contributes to this effort by testing and qualifying the service hybrids for the PS modules, supporting the construction of the Phase-II OT foreseen for installation during the HL-LHC long shutdown (LS3).
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