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Timing characterisation of TelePix2

The DESY II Test Beam Facility offers electrons with a user-selectable energy from 1-6 GeV primarily for detector characterisation. TelePix2, an HV-CMOS sensor, is new user-infrastructure at the test beam facility used as a Region of Interest (ROI) trigger for efficient small prototype testing and a...

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Main Authors: Augustin, Heiko (Author) , Dittmann, Lucas (Author) , Huth, L. (Author) , Immig, David (Author) , Kolb, Ruben (Author) , Perić, I. (Author) , Schöning, André (Author) , Sefkow, F. (Author) , Stanitzki, M. (Author) , Weinläder, Benjamin (Author) , Wintle, A. (Author)
Format: Article (Journal)
Language:English
Published: 27 June 2025
In: Journal of Instrumentation
Year: 2025, Volume: 20, Issue: 6, Pages: 1-7
ISSN:1748-0221
DOI:10.1088/1748-0221/20/06/C06071
Online Access:Verlag, kostenfrei, Volltext: https://doi.org/10.1088/1748-0221/20/06/C06071
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Author Notes:H. Augustin, L. Dittmann, L. Huth, D.M. Immig, R. Kolb, I. Perić, A. Schöning, F. Sefkow, M. Stanitzki, B. Weinläder and A. Wintle
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Summary:The DESY II Test Beam Facility offers electrons with a user-selectable energy from 1-6 GeV primarily for detector characterisation. TelePix2, an HV-CMOS sensor, is new user-infrastructure at the test beam facility used as a Region of Interest (ROI) trigger for efficient small prototype testing and a timing plane for ambiguity suppression. Here, timing characterisation results of TelePix2 are presented. A time resolution of σ = 3.75(1) ns was determined at an efficiency above 99% at a depletion voltage of -85 V. Further timing improvements 𝒪(0.1 ns) were achieved through offline corrections for delays dependent on hit position and time-walk. A time resolution of σ = 2.216(3) ns from the signal of TelePix2 that can be used as a trigger was determined.
Item Description:Veröffentlicht: 27. Juni 2025
Gesehen am 31.10.2025
Physical Description:Online Resource
ISSN:1748-0221
DOI:10.1088/1748-0221/20/06/C06071

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