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Würzburg 2018 – scientific programme

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T: Fachverband Teilchenphysik

T 90: DAQ / Trigger II

T 90.6: Talk

Thursday, March 22, 2018, 17:45–18:00, Z6 - SR 2.010

The Data Handling Processor of the Belle II DEPFET Detector — •Leonard Germic, Tomasz Hemperek, Botho Paschen, Florian Lütticke, Hans Krüger, Carlos Marinas, Jochen Dingfelder, and Norbert Wermes — Physikalisches Institut, Universität Bonn, Deutschland

A two layer highly granular DEPFET pixel detector will be operated as the innermost subsystem of the Belle II experiment, at the new Japanese super flavor factory (SuperKEKB). Such a finely segmented system will allow to improve the vertex reconstruction in such ultra high luminosity environment but, at the same time, the raw data stream generated by the 8 million pixel detector will exceed the capability of real-time processing due to its high frame rate, considering the limited material budged and strict space constrains. For this reason a new ASIC, the Data Handling Processor (DHP) is designed to provide data processing at the level of the front-end electronics, such as zero-suppression and common mode correction. The driving capability of the Gigabit Serial Link of the DHP is summarized and simulations of the signal integrity including the back-end-transmission-line system is shown.

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