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Performance of the ATLASPix1 pixel sensor prototype in ams aH18 CMOS technology for the ATLAS ITk upgrade

Monolithic active pixel sensors (MAPS) based on commercial high-voltage CMOS processes are an exciting technology that is considered as an option for the ATLAS Inner Tracker upgrade. Particles are detected using deep n-wells on a p-type substrate as sensor diodes with the depleted region extending i...

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Bibliographic Details
Main Authors: Kiehn, Moritz (Author) , Herkert, Adrian (Author) , Weber, Alena (Author) , Schöning, André (Author) , Blattgerste, Christoph (Author) , Immig, David (Author) , Augustin, Heiko (Author) , Hammerich, Jan (Author) , Kröger, Jens (Author) , Huth, Lennart (Author) , Dittmeier, Sebastian (Author)
Format: Article (Journal)
Language:English
Published: 21 August 2019
In: Journal of Instrumentation
Year: 2019, Volume: 14, Issue: 08
ISSN:1748-0221
DOI:10.1088/1748-0221/14/08/C08013
Online Access:Verlag, Volltext: https://doi.org/10.1088/1748-0221/14/08/C08013
Verlag: https://doi.org/10.1088%2F1748-0221%2F14%2F08%2Fc08013
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Author Notes:M. Kiehn, A. Herkert, A. Weber, A. Schöning, A. Miucci, A. Fehr, C. Blattgerste, C. Grzesik, D. M. S. Sultan, D. Immig, D. Forshaw, D. Ferrere, D. Wiedner, E. Zaffaroni, E. Vilella Figueras, F. Ehrler, F. Lanni, G. Iacobucci, H. Augustin, H. Liu, H. Chen, I. Peric, J. Anders, J. Hammerich, J. Kröger, J. Vossebeld, K. Chen, L. Xu, L. Noehte, L. Huth, M. Vicente, M. Benoit, M. Weber, M. Prathapan, N. Berger, S. Dittmeier, S. Sevilla, S. Tang, T. Golling, W. Wu and W. Wong
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Summary:Monolithic active pixel sensors (MAPS) based on commercial high-voltage CMOS processes are an exciting technology that is considered as an option for the ATLAS Inner Tracker upgrade. Particles are detected using deep n-wells on a p-type substrate as sensor diodes with the depleted region extending into the silicon bulk. With readout electronics and sensor integrated on the same device, the detector complexity and the material budget are greatly reduced. The ATLASPix1 pixel sensor prototype is a large-scale MAPS prototype that implements the full readout chain on a single physical chip. It features a large in-pixel sensor electrode and is produced using the ams aH18 high voltage technology. Three pixel matrices with different readout architectures, triggered and untriggered, and pixel designs are implemented. We show the performance of one of the pixel matrix variants for samples irradiated up to 1015 1MeV meq/cm2.
Item Description:Gesehen am 16.12.2019
Physical Description:Online Resource
ISSN:1748-0221
DOI:10.1088/1748-0221/14/08/C08013

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