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Bonn 2020 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 13: Pixel detectors I

T 13.4: Vortrag

Montag, 30. März 2020, 17:15–17:30, H-HS XIV

Characterization of a depleted monolithic active pixel sensor in 180 nm TowerJazz technologyIvan Berdalovic2, •Christian Bespin1, Ivan Caicedo Sierra1, Leyre Flores Sanz De Acedo2, Tomasz Hemperek1, Toko Hirono1, Fabian Hügging1, Hans Krüger1, Thanusan Kugathasan2, Cesar Augusto Marin Tobon2, Konstantinos Moustakas1, Heinz Pernegger2, Walter Snoeys2, Tianyang Wang1, Norbert Wermes1, and Jochen Dingfelder11Physikalisches Institut, Universität Bonn — 2CERN, Genf

The planned upgrade of LHC leading to the High-Luminosity Large Hadron Collider (HL-LHC) imposes new requirements on the detectors. With the availability of highly resistive silicon in commercial CMOS processes, there have been efforts to build depleted monolithic active pixel sensors (DMAPS) for high energy particle detectors. TJ-MonoPix is a prototype of such a pixel sensor in 180 nm TowerJazz technology. It is designed for usage in high radiation environments such as the HL-LHC. The pixels with a small collection electrode design and pixel pitch of 36 µm × 40 µm are read out using a FE-I3-like column drain readout architecture. Different flavors allow for a study of minor modifications in the pixel design.

In this talk, results from radioactive sources and X-ray irradiations will be presented. Furthermore, an overview of ongoing work towards a future chip in this CMOS technology will be shown.

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