SMuK 2023 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 44: Pixel/LHCb, Si-Strips/CMS

T 44.1: Vortrag

Dienstag, 21. März 2023, 17:00–17:15, REC/C213

LHCb MightyPix - First measurements and ongoing developments — •Hannah Schmitz, Can-Deniz Arslan, Klaas Padeken, Niclas Sommerfeld, and Sebastian Neubert — Rheinische Friedrich-Wilhelms Universität Bonn

With the upgrade of the LHC to the HL-LHC in LS4, the instantaneous luminosity at the LHCb detector will be increased from 2× 10³³cm⁻²s⁻¹ to 1.5× 10³⁴cm⁻²s⁻¹. In order to enable fast and precise tracking in this environment, it is planned to upgrade the entire LHCb tracking system. The downstream tracking system, known as the Mighty Tracker, has to withstand the increased radiation and occupancy at a similar or lower material budget than the current detector. Thus, a hybrid solution consisting of silicon pixels, called MightyPix, with a size of 55x165µm in the inner and scintillating fibres in the outer region is under development. In order to fulfill the conditions beyond Run4, the pixels are based on the technology of HV-CMOS MAPS.
To characterize the MightyPix, a new readout system is currently developed in Bonn. Further, first characterization studies are ongoing and development chips as the ATLASPix3.1 have been characterized at testbeams.
This presentation covers an introduction into the newly developed readout system for the MightyPix, latest testbeam results and an overview of the current developments regarding the Mighty Tracker with focus on the MightyPix.