PoS - Proceedings of Science
Volume 343 - Topical Workshop on Electronics for Particle Physics (TWEPP2018) - Systems, Planning, Installation, Commissioning and Running Experience
Operation of the CMS Level-1 Calorimeter Trigger in High Pileup Conditions and Motivations for Phase-2
A. Bundock
Full text: pdf
Pre-published on: May 21, 2019
Published on: July 25, 2019
To maintain high trigger efficiencies and stable rates during significant changes to beam conditions throughout 2017, the CMS Level-1 calorimeter trigger required dynamic and flexible operation. Successfully running since 2015, utilising Xilinx Virtex 7 690 FPGAs and 10 Gbps optical
links, the versatile design has enabled quick adaption to improve algorithms to mitigate large rates
from high pileup and changes in detector response, and as the LHC responded to a number of unexpected challenges. Operational experience and lessons learned will be discussed, and how they
will inform important decisions in the design and implementation of the Phase-2 trigger upgrade
DOI: https://doi.org/10.22323/1.343.0126
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