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Physics > Instrumentation and Detectors

arXiv:2204.08739 (physics)
[Submitted on 19 Apr 2022]

Title:Characterization of timing and spacial resolution of novel TI-LGAD structures before and after irradiation

Authors:Matias Senger, Ashish Bisht, Giacomo Borghi, Maurizio Boscardin, Matteo Centis Vignali, Federico Ficorella, Omar Hammad Ali, Ben Kilminster, Anna Macchiolo, Giovanni Paternoster
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Abstract:The characterization of spacial and timing resolution of the novel Trench Isolated LGAD (TI-LGAD) technology is presented. This technology has been developed at FBK with the goal of achieving 4D pixels, where an accurate position resolution is combined in a single device with the precise timing determination for Minimum Ionizing Particles (MIPs). In the TI-LGAD technology, the pixelated LGAD pads are separated by physical trenches etched in the silicon. This technology can reduce the interpixel dead area, mitigating the fill factor problem. The TI-RD50 production studied in this work is the first one of pixelated TI-LGADs. The characterization was performed using a scanning TCT setup with an infrared laser and a $^{90}$Sr source setup.
Subjects: Instrumentation and Detectors (physics.ins-det); High Energy Physics - Experiment (hep-ex)
Cite as: arXiv:2204.08739 [physics.ins-det]
  (or arXiv:2204.08739v1 [physics.ins-det] for this version)
  https://doi.org/10.48550/arXiv.2204.08739
Related DOI: https://doi.org/10.1016/j.nima.2022.167030

Submission history

From: Matias Senger [view email]
[v1] Tue, 19 Apr 2022 08:29:13 UTC (3,553 KB)
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