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Publication - Dr Aaron Bundock

    Run 2 Upgrades to the CMS Level-1 Calorimeter Trigger

    Citation

    , 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, JB, Strebler, T, Zabi, A, Barbieri, R, Cali, IA, Innocenti, GM, Lee, Y-, Roland, C & others 2015, ‘Run 2 Upgrades to the CMS Level-1 Calorimeter Trigger’. Journal of Instrumentation.

    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.

    Full details in the University publications repository