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Run 2 upgrades to the CMS Level-1 calorimeter trigger

Author(s)
Kreis, B.; Berryhill, J.; Cavanaugh, R.; Mishra, K.; Rivera, R.; Uplegger, L.; Apanasevich, L.; Zhang, J.; Marrouche, J.; Wardle, N.; Aggleton, R.; Ball, F.; Brooke, J.; Newbold, D.; Paramesvaran, S.; Smith, D.; Baber, M.; Bundock, A.; Citron, M.; Elwood, A.; Hall, G.; Iles, G.; Laner, C.; Penning, B.; Rose, A.; Tapper, A.; Foudas, C.; Beaudette, F.; Cadamuro, L.; Mastrolorenzo, L.; Romanteau, T.; Sauvan, J.B.; Strebler, T.; Zabi, A.; Guilbaud, M.; Li, W.; Northup, M.; Tran, B.; Durkin, T.; Harder, K.; Harper, S.; Shepherd-Themistocleous, C.; Thea, A.; Williams, T.; Cepeda, M.; Dasu, S.; Dodd, L.; Forbes, R.; Gorski, T.; Klabbers, P.; Levine, A.; Ojalvo, I.; Ruggles, T.; Smith, N.; Smith, W.; Svetek, A.; Tikalsky, J.; Vicente, M.; Barbieri, Richard Alexander; Cali, Ivan Amos; Innocenti, Gian Michele; Lee, Yun Jung; Roland, Christof E; Wyslouch, Boleslaw; ... Show more Show less
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Abstract
The CMS Level-1 calorimeter trigger is being upgraded in two stages to maintain performance as the LHC increases pile-up and instantaneous luminosity in its second run. In the first stage, improved algorithms including event-by-event pile-up corrections are used. New algorithms for heavy ion running have also been developed. In the second stage, higher granularity inputs and a time-multiplexed approach allow for improved position and energy resolution. Data processing in both stages of the upgrade is performed with new, Xilinx Virtex-7 based AMC cards.
Date issued
2016-01
URI
http://hdl.handle.net/1721.1/108482
Department
Massachusetts Institute of Technology. Department of Physics
Journal
Journal of Instrumentation
Publisher
IOP Publishing
Citation
Kreis, B.; Berryhill, J.; Cavanaugh, R.; Mishra, K.; Rivera, R.; Uplegger, L. and Apanasevich, L. et al. “Run 2 Upgrades to the CMS Level-1 Calorimeter Trigger.” Journal of Instrumentation 11, no. 01 (January 2016): C01051–C01051. © 2016 CERN
Version: Final published version
ISSN
1748-0221

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