Study and parameter optimization of a tuning method for the online calibration of the RD53A readout chip

The RD53A is a prototype of the readout chip that will be used in the Compact Muon Solenoid (CMS) pixel detector after the High-Lumi LHC (HL-LHC) upgrade is complete beyond 2025. A new feature of the chip enables the writing of configuration commands between triggers during operation. This feature c...

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Bibliographic Details
Published in:Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment Accelerators, spectrometers, detectors and associated equipment, 2020-12, Vol.984, p.164594, Article 164594
Main Authors: Backhaus, M., Garcia-Sciveres, M., Glessgen, F., Heim, T., Ristic, B., Wallny, R.
Format: Article
Language:English
Subjects:
Pixel detector
Semiconductor tracking detector
Threshold calibration
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Summary:The RD53A is a prototype of the readout chip that will be used in the Compact Muon Solenoid (CMS) pixel detector after the High-Lumi LHC (HL-LHC) upgrade is complete beyond 2025. A new feature of the chip enables the writing of configuration commands between triggers during operation. This feature can be used to compensate for a detuning of the pixels due to radiation damage or temperature fluctuations over time. This paper studies the efficiency of such a method as well as its side-effects and the dependency on its parameters using an equivalent software implementation.
ISSN:0168-9002
1872-9576
DOI:10.1016/j.nima.2020.164594