Hamburg 2016 – scientific programme

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T: Fachverband Teilchenphysik

T 42: Trigger und DAQ II

T 42.3: Talk

Monday, February 29, 2016, 17:15–17:30, VMP11 HS

First considerations for a readout system for the ILD TPC with the Timepix3 — •Tobias Schiffer for the LCTPC-Deutschland collaboration — Universität Bonn

For the planned International Linear Collider (ILC) two detectors are proposed. One of them, the International Large Detector (ILD) uses a Time Projektion Chamber (TPC) as the main tracking device. As a readout system for this TPC, pixel chips are one of the considered options. An integrated Micromegas stage is foreseen as gas amplification stage, which is built directly on top of the chip.

Since first tests of a Pixel-TPC with 160 Timepix ASICs showed promising results, one is interested in developing a detector using the Timepix3 ASIC. It has several advantages, first of all its feature to measure ToT and a ToA at the same time and its significantly increased readout rate.

For this purpose a readout system needs to be developed which fulfils the requirements of the Timpix3 ASIC and also has a high scalability. The main challenges are the high speed readout with a clock of up to 640 MHz and the reliability of the system. Also, the data driven as well as the frame-based readout of the Timepix3 needs to be considered for the implementation. The main goal is to provide a fast and parallel readout of several million channels.

An overview and the status of the planning will be given. Also, the development challenges will be discussed.