SMuK 2023 – wissenschaftliches Programm

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HK: Fachverband Physik der Hadronen und Kerne

HK 74: Poster

HK 74.11: Poster

Donnerstag, 23. März 2023, 17:30–19:00, HSZ EG

Influence of detector settings on the EPICAL-2 response — •Johannes Keul — Institut fuer Kernphysik Frankfurt

In context of the proposed ALICE-FoCal detector, a prototype of a digital electromagnetic pixel calorimeter, EPICAL-2, has been developed. EPICAL-2 consists of 24 layers with alternating tungsten absorbers and silicon sensors facilitating monolithic active pixel sensors (MAPS). The design features an active area of 30  x  30  mm² and a depth of 20 radiation lengths with a total of 25 million pixels.

An EPICAL-2 test-beam measurement has been performed at the CERN-SPS facility in September 2021, including measurements with different detector settings.

In this poster, an overview of the structure and functionality of EPICAL-2 is presented. Furthermore a study of the differences in detector response as e.g. the size of pixel clusters at different detector settings is presented.

Supported by BMBF and the Helmholtz Association.