articleJournal of InstrumentationOct 6, 2017HYBRID OA

Particle-flow reconstruction and global event description with the CMS detector

A. Alikhanyan National Laboratory · Institute of High Energy Physics · +191 more institutions

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Abstract

The CMS apparatus was identified, a few years before the start of the LHC operation at CERN, to feature properties well suited to particle-flow (PF) reconstruction: a highly-segmented tracker, a fine-grained electromagnetic calorimeter, a hermetic hadron calorimeter, a strong magnetic field, and an excellent muon spectrometer. A fully-fledged PF reconstruction algorithm tuned to the CMS detector was therefore developed and has been consistently used in physics analyses for the first time at a hadron collider. For each collision, the comprehensive list of final-state particles identified and reconstructed by the algorithm provides a global event description that leads to unprecedented CMS performance for jet…

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Topics & keywords

Keywords
  • Physics
  • Large Hadron Collider
  • Calorimeter (particle physics)
  • Muon
  • Nuclear physics
  • Detector
  • Event reconstruction
  • Event (particle physics)
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