Aachen 2019 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 51: Halbleiterdetektoren III

T 51.2: Vortrag

Mittwoch, 27. März 2019, 16:15–16:30, H03

Total ionizing dose effects on the performance of RD53AMichael Daas, Jochen Dingfelder, Tomasz Hemperek, Hans Krüger, •Marco Vogt, Norbert Wermes, Piotr Rymaszewski, Ahmed Qamesh, and Yannick Dieter — Physikalisches Institut der Universität Bonn

The phase-2 upgrade of the LHC will substantially increase the instantaneous luminosity. Especially for the pixel detector, which sits close to the interaction point, this requires novel pixel readout chips with highly complex digital architectures, which deliver hit information at drastically increased data rates and unprecedented radiation tolerance.

The large-scale prototype chip RD53A has been designed and manufactured by the RD53 collaboration in a 65 nm CMOS process, suitable for the innermost layers of both the ATLAS and the CMS experiment.

In order to verify the radiation hardness design goal of 500 Mrad, RD53A has been irradiated to a total ionizing dose of 600 Mrad using X-rays. The radiation effects on the performance of the data link, PLL, reset circuit and the analog front-ends have been investigated and will be presented in this talk.

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