TelePix - A fast region of interest trigger and timing layer for the EUDET Telescopes

Augustin, Heiko; Huth, Lennart; Perić, Ivan; Simancas, Adriana; Hammerich, Jan; Herkert, Adrian; Immig, David; Dittmeier, Sebastian; Schöning, André; Weinläder, Benjamin; Stanitzki, Marcel

doi:10.1016/j.nima.2022.167947

Journal Article/Contribution to a conference proceedings

PUBDB-2022-07434

TelePix - A fast region of interest trigger and timing layer for the EUDET Telescopes

Augustin, H. ; Dittmeier, S. ; Hammerich, J. ; Herkert, A.DESY* ; Huth, L. (Corresponding author)DESY* ; Immig, D. ; Perić, I. ; Schöning, A. ; Simancas, A.DESY* ; Stanitzki, M.DESY* ; Weinläder, B.

2022
North-Holland Publ. Co. Amsterdam

15th Pisa Meeting on Advanced Detectors, Isola d'Elba, Italy, 22 May 2022 - 28 May 2022 Nuclear instruments & methods in physics research / A 1048, 167947 (2023) [10.1016/j.nima.2022.167947]

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Please use a persistent id in citations: doi:10.1016/j.nima.2022.167947 doi:10.3204/PUBDB-2022-07434

Report No.: arXiv:2212.10248

Abstract: Test beam facilities are essential to study the response of novel detectors to particles. At the DESY II Test Beam facility, users can test their detectors with an electron beam with a momentum from 1–6 GeV. To track the beam particles, EUDET-style telescopes are provided in each beam area. They provide excellent spatial resolution, but the time resolution is limited by the rolling shutter architecture to a precision of approximately 230 μs. Since the demand on particle rates – and hence track multiplicities – is increasing timing is becoming more relevant. DESY foresees several upgrades of the telescopes. TelePix is an upgrade project to provide track timestamping with a precision of better than 5 ns and a configurable region of interest to trigger the telescope readout. Small scale prototypes have been characterized in laboratory and test beam measurements. Laboratory tests with an injection corresponding to 2300 electrons show a S/N of above 20. Test beam characterization shows efficiencies of above 99% over a threshold range of more than 100 mV and time resolutions of 2.4 ns at low noise rates.

Keyword(s): HV-MAPS ; HV-CMOS ; Timing/trigger layer ; test beam ; Telescopes

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ddc:530

Note: Preprint submitted to Proceedings of the 15th Pisa Meeting on Advanced Detectors

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Appears in the scientific report 2022

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