Jet performance at the circular electron-positron collider

P. Z. Lai, M. Ruan, C. M. Kuo

Research output: Contribution to journalArticlepeer-review

Abstract

Jet reconstruction is critical for the precision measurement of Higgs boson properties and the electroweak observables at the CEPC. We analyze the jet energy and angular responses of benchmark 2- and 4-jet processes with fully simulated samples with the CEPC baseline detector geometry. We observe a relative resolution of 3.5% and 1% on the jet energy and angular measurement for jets in the detector barrel region (|cos θ| < 0.6) with energy greater than 60 GeV. Meanwhile, the jet energy/angular scale can be controlled within 0.5/0.01%. The differential dependences of the jet response on the jet direction and energy are extracted. We also analyze the impact on the jet responses induced by different jet clustering algorithms and matching criteria, which yields a relative difference of up to 8%.

Original languageEnglish
Article numberP07037
JournalJournal of Instrumentation
Volume16
Issue number7
DOIs
StatePublished - Jul 2021

Keywords

  • Detector modelling and simulations I (interaction of radiation with matter, Interaction of photons with matter, interaction of hadrons with matter, etc)
  • Large detector-systems performance
  • Performance of high energy physics detectors

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