Göttingen 2025 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 70: Silicon Detectors VI (MAPS, Mighty Tracker)

T 70.4: Vortrag

Donnerstag, 3. April 2025, 17:00–17:15, VG 0.111

Development and simulation of the LHCb Upgrade 2 tracker — Johannes Albrecht, Dominik Mitzel, •Donata Osthues, and Dirk Wiedner — TU Dortmund University, Dortmund, Germany

During the High-Luminosity LHC period, the LHCb collaboration aims to operate its detector at significantly higher instantaneous luminosities than in Run 3 data taking.

To adapt to higher radiation levels and hit occupancies, the LHCb detector will undergo a second upgrade. This includes a replacement of the SciFi-Tracker by the Mighty-Tracker, a combination of silicon-fiber modules in the outer region and MightyPix modules in the space closest to the beam pipe. The MightyPix module development includes overall module design choices, serial powering and cooling solutions as well as the MightyPix chip development.

This talk presents quantities such as overall tracking efficiencies and material budget scans that are calculated to test and verify the hardware development by using a detailed detector geometry simulation as baseline. The results help to make justified decisions during the development process.

Keywords: LHCb Upgrade 2; Mighty Tracker; Simulation