Damenti, L. (2025) Analysis of threshold oscillations observed in CMS Phase 2 Inner Tracker modules. Il nuovo cimento C, 48 (3). pp. 1-6. ISSN 1826-9885
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Abstract
During Long Shutdown 3, between 2026 and 2028, the CMS detector will be updated in order to fulfill the requirements of the new LHC era, called High Luminosity LHC. The updated version of the CMS pixel detector is called Inner Tracker, and it is based on silicon pixel sensor technology. The base unit of the detector is the detector module, which is the assembly of the silicon sensor connected to one or more readout chips and the appropriate printed circuit board for powering and readout. These modules went thought an intense R&D and validation campaign. In this study, results obtained with prototype modules are presented. The modules are formed by a sensor with 145152 pixels bump-bonded to the CMS readout chip. In this study, effects that affect the module threshold, which is a crucial parameter for the detection of a particle signal, have been observed. The deep characterization of this phenomenon allowed to optimize the module calibration procedure through the development of a dedicated software.
| Item Type: | Article |
|---|---|
| Subjects: | 500 Scienze naturali e Matematica > 530 Fisica |
| Depositing User: | Marina Spanti |
| Date Deposited: | 10 Jul 2025 14:23 |
| Last Modified: | 10 Jul 2025 14:23 |
| URI: | http://eprints.bice.rm.cnr.it/id/eprint/23635 |
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