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Run 2 Upgrades to the CMS Level-1 Calorimeter Trigger

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 نشر من قبل Benjamin Kreis
 تاريخ النشر 2015
  مجال البحث فيزياء
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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.



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