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Level-1 jets and energy sums trigger performance with full 2017 dataset
After the first long shutdown, the LHC restarted at a centre-of-mass energy of 13 TeV. In 2017, the LHC achieved an instantaneous luminosity of $2\times10^{34}cm^{-2}s^{-1}$ with an average peak number of pile-up interactions of over 50. The CMS Level-1 trigger architecture has undergone a full upgr...
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Lenguaje: | eng |
Publicado: |
2018
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Materias: | |
Acceso en línea: | http://cds.cern.ch/record/2305545 |
Sumario: | After the first long shutdown, the LHC restarted at a centre-of-mass energy of 13 TeV. In 2017, the LHC achieved an instantaneous luminosity of $2\times10^{34}cm^{-2}s^{-1}$ with an average peak number of pile-up interactions of over 50. The CMS Level-1 trigger architecture has undergone a full upgrade in order to maintain and improve the trigger performance under these new conditions. It has allowed CMS to keep the trigger rate under control in high pileup conditions, and to avoid a significant increase in trigger thresholds that would have a negative impact on the CMS physics programme.
This note includes studies of the performance of the Level-1 jets and energy sums algorithms as defined in the calorimeter trigger upgrade TDR. |
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