Data detector FPGAs and DSPs for intelligent data analysis and sorting

To research the smallest structures of material, elementary particles are made to collide in a 6 km long accelerator at the Deutschen Elektronen-Synchrotron DESY in Hamburg. The corresponding detectors are the size of a factory hall and comprise tens of thousands of analog channels, which are scanned at up to 100MHz. Many Terabytes of data per second are created here – it’s impossible to either read out nor save so much data. By continuously pre-evaluating the data in the detector, it can be recognized which information is really interesting for the physicist and which other data (the majority) can be immediately overwritten again.

The system developed by SCS-Vision, in cooperation with the ETHZ, uses FPGAs and a farm of 24 DSPs to reconstruct the decay of short-life particles within a few microseconds, and so facilitates efficient operation of the detector.

www.desy.de

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