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A TPC readout with GEMs, pads and timepix

Einhaus, U.; Kaminksi, J.; Caselle, M. 1
1 Karlsruher Institut für Technologie (KIT)


The concept of a hybrid readout of a time projection chamber is presented. It combines a GEM-based amplification and a pad-based anode plane with a pixel chip as readout electronics. This way, a high granularity enabling to identify electron clusters from the primary ionisation is achieved as well as flexibility and large anode coverage. The benefits of this high granularity, in particular for dE/dx measurements, are outlined and results of a simulation-based performance study are given. The structure of the first prototype board is discussed, including adaptions based on a very preliminary first measurement for a second production towards a proof-of-principle.

Zugehörige Institution(en) am KIT Institut für Prozessdatenverarbeitung und Elektronik (IPE)
Publikationstyp Proceedingsbeitrag
Publikationsjahr 2018
Sprache Englisch
Identifikator KITopen-ID: 1000127094
HGF-Programm 54.02.02 (POF III, LK 01) Ultraschnelle Datenauswertung
Erschienen in 2017 International Workshop on Future Linear Collider, LCWS 2017; Strasbourg; France; 23 October 2017 through 27 October 2017
Veranstaltung International Workshop on Future Linear Collider (LCWS 2017), Straßburg, Frankreich, 23.10.2017 – 27.10.2017
Verlag Stanford Linear Accelerator Center (SLAC)
Nachgewiesen in Scopus
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