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Krivda, M.; Alexandre, D.; Barnby, L.S.; Evans, D.; Jones, P.G.; Jusko, A.; Lietava, R.; Pospíšil, J.; Baillie, O. Villalobos
Journal of instrumentation, 03/2016, Letnik: 11, Številka: 3Journal Article
The ALICE Central Trigger Processor (CTP) at the CERN LHC has been upgraded for LHC Run 2, to improve the Transition Radiation Detector (TRD) data-taking efficiency and to improve the physics performance of ALICE. There is a new additional CTP interaction record sent using a new second Detector Data Link (DDL), a 2 GB DDR3 memory and an extension of functionality for classes. The CTP switch has been incorporated directly onto the new LM0 board. A design proposal for an ALICE CTP upgrade for LHC Run 3 is also presented. Part of the development is a low latency high bandwidth interface whose purpose is to minimize an overall trigger latency.
