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View article: The CMS Level-1 electron and photon trigger: for Run II of LHC
The CMS Level-1 electron and photon trigger: for Run II of LHC Open
The Compact Muon Solenoid (CMS) employs a sophisticated two-level online triggering system that has a rejection factor of up to 105. Since the beginning of Run II of LHC, the conditions that CMS operates in have become increasingly challen…
View article: The CMS Level-1 Calorimeter Trigger for the LHC Run II
The CMS Level-1 Calorimeter Trigger for the LHC Run II Open
Results from the completed Phase 1 Upgrade of the Compact Muon Solenoid (CMS) Level-1 Calorimeter Trigger are presented. The upgrade was completed in two stages, with the first running in 2015 for proton and Heavy Ion collisions and the fi…
View article: An FPGA-based track finder for the L1 trigger of the CMS experiment at the high luminosity LHC
An FPGA-based track finder for the L1 trigger of the CMS experiment at the high luminosity LHC Open
A new tracking system is under development for operation in the CMS experiment at the High Luminosity LHC. It includes an outer tracker which will construct stubs, built by correlating clusters in two closely spaced sensor layers for the r…
View article: Triggering on electrons, jets and tau leptons with the CMS upgraded calorimeter trigger for the LHC RUN II
Triggering on electrons, jets and tau leptons with the CMS upgraded calorimeter trigger for the LHC RUN II Open
The Compact Muon Solenoid (CMS) experiment has implemented a sophisticated two-level online selection system that achieves a rejection factor of nearly 10e5. During Run II, the LHC will increase its centre-of-mass energy up to 13 TeV and p…
View article: Run 2 upgrades to the CMS Level-1 calorimeter trigger
Run 2 upgrades to the CMS Level-1 calorimeter trigger Open
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-…