SMuK 2023 – wissenschaftliches Programm

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HK: Fachverband Physik der Hadronen und Kerne

HK 2: Instrumentation I

HK 2.2: Vortrag

Montag, 20. März 2023, 17:00–17:15, SCH/A251

Performance studies of pixel layers for the ALICE-FoCal detector — •Youssef El Mard Bouziani for the ALICE Germany collaboration — Institut für Kernphysik, Goethe-Universität Frankfurt

The upgrade of the ALICE experiment at CERN-LHC for LHC-Run 4 includes the expansion of the physics program with a study of small-x gluon distributions via prompt photon production.

To facilitate this study a highly granular Si+W electromagnetic calorimeter combined with a conventional sampling hadronic calorimeter covering pseudorapidities of 3.4 < η < 5.8 has been proposed: the FoCal detector. The FoCal-E subdetector will consist of a Si+W sampling calorimeter hybrid design using two different Si readout technologies, pad layers, and pixel layers based on ALPIDE-chip technology. The pixel layers have been successfully tested within the framework of the EPICAL-2 prototype detector.

In this talk, we report on studies of the shower measurements with the EPICAL- 2 design. Furthermore, simulation studies of performance tests of the implementation of the pixel layers in the FoCal detector setup will be discussed.

Supported by BMBF and the Helmholtz Association.