Journal Article

PUBDB-2025-04380

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Novel silicon and GaAs sensors for compact sampling calorimeters

Abramowicz, H. ; Soto, M. A. ; Benhammou, Y. ; Elad, M. ; Firlej, M. ; Fiutowski, T. ; Ghenescu, V. ; Grzelak, G. ; Horn, D. ; Huang, S.Extern* ; Idzik, M. ; Irles, A.Extern* ; Levy, A.Extern* ; Levy, I. ; Lohmann, W. (Corresponding author)DESY* ; Moroń, J. ; Neagu, A. T. ; Pietruch, D. ; Potlog, P. M. ; Świentek, K. ; Żarnecki, A. F. ; Zembaczyński, K.

2025
Springer Heidelberg

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Please use a persistent id in citations: doi:10.1140/epjc/s10052-025-14341-4  doi:10.3204/PUBDB-2025-04380

Abstract: Two samples of silicon pad sensors and two samples of GaAs sensors are studied in an electron beam with 5 GeV energy from the DESY-II test-beam facility. The sizes of the silicon and GaAs sensors are about 9 $\times $ 9 $\hbox {cm}^2$ and 5 $\times $ 8 $\hbox {cm}^2$, respectively. The thickness is 500 µm for both the silicon and GaAs sensors. The pad size is about 5 $\times $ 5 $\hbox {mm}^2$. The sensors are foreseen to be used in a compact electromagnetic sampling calorimeter. The readout of the pads is done via traces connected to the pads and the front-end ASICs at the edges of the sensors. For the silicon sensors, copper traces on a Kapton foil are connected to the sensor pads with conducting glue. The pads of the GaAs sensors are connected to bond-pads via aluminium traces on the sensor substrate. The readout is based on a dedicated front-end ASIC, called FLAME. Pre-processing of the raw data and deconvolution is performed with FPGAs. The whole system is orchestrated by a Trigger Logic Unit. Results are shown for the signal-to-noise ratio, the homogeneity of the response, edge effects on pads, cross talk and wrongly assigned signals due to the readout traces.

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Contributing Institute(s):

1. Z_ATUP (Z_ATUP)

Research Program(s):

1. 622 - Detector Technologies and Systems (POF4-622) (POF4-622)
2. AIDAinnova - Advancement and Innovation for Detectors at Accelerators (101004761) (101004761)

Experiment(s):

1. No specific instrument

Appears in the scientific report 2025

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Database coverage:
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