Imperial College London > Talks@ee.imperial > Featured talks > Improving FPGA Radiation Tolerance for Experiments in High Energy Physics

Improving FPGA Radiation Tolerance for Experiments in High Energy Physics

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Many experiments in High Energy Physics collide ions at extremely high energy. Their goal is to generate new particles which can be identified by their tracks within a detector. These tracks need to be recorded and analysed. Examination of particle tracks deliver conclusions about condensation and decay of matter and are used for particle identification. In ALICE experiment at CERN (Geneva), a situation will be constructed, which is assumed being state a few milliseconds after the big bang.

From the thechnical point of view, enormous amount of data needs to be processed. FPG As are extensively used for the first level of data processing and detector control system within the detector. The reason for that is, that FPG As can compute data at low latency, and their configuration can be changed. The disadvantage in using FPG As is, that these devices are sensitive to radiation. Therefore, there is a need to develop new technologies to recognize and repair faults in FPG As at runtime.

This presentation will give a summary on the experiments currently set up at ALICE . It will be shown where FPG As are used in the ALICE detector and which are the effects radiation causes in FPG As. The talk will conclude in a description of some techniques used to make FPG As more radiation tolerant and some results from resent beam tests.

About the Speaker


Udo Kebschull received his diploma degree in 1989. After two years of being a scientific staff member at Forsungszentrum Informatik at University of Karlsruhe, he got a PhD position at University of Tübingen where he graduated in 1995. He then became professor at University of applied science in Karsruhe (1995-1998) and University of Leipzig (1998-2005). Since 2005 he is professor at the department of Physics and Astronomy at University of Heidelberg, heading a computer engineering working group.

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