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The Belle II pixel detector data acquisition and reduction system

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9 Author(s)
Spruck, B. ; II. Phys. Inst., Univ. of Giessen, Giessen, Germany ; Gessler, T. ; Kuhn, W. ; Lange, J.S.
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The upcoming Belle II experiment is designed to work at a luminosity of 8 × 1035cm-2s-1, 40 times higher than its predecessor. The pixel detector of Belle II with its ~8 million channels will deliver ten times more data than all other sub-detectors together. A data rate of 22 Gbytes/s is expected for a trigger rate of 30 kHz and an estimated pixel detector occupancy of 3 %, which is by far exceeding the specifications of the Belle II event builder system. Therefore a realtime data reduction of a factor >;30 is needed.

Published in:

Real Time Conference (RT), 2012 18th IEEE-NPSS

Date of Conference:

9-15 June 2012