Abstract
We study jet production in e + e − annihilation to hadrons with data recorded by the OPAL experiment at LEP at centre-of-mass energies between 90 GeV and 207 GeV. The jet production rates were measured for the first time with the anti-k t and SISCone jet clustering algorithms. We compare the data with predictions by modern Monte Carlo event generators.
Highlights
Hadronic final states in high energy particle collisions are characterised by the so-called jets, which describe the phenomenon that final state particles appear in collimated groups
We study jet production in e+e− annihilation to hadrons with data recorded by the OPAL experiment at LEP at centre-of-mass energies between 90 GeV and 207 GeV
Local parton hadron duality [1, 2] establishes the close correspondence between the hadronic final state jets and the partons as objects of the theory of strong interactions, Quantum Chromo Dynamics (QCD)
Summary
Hadronic final states in high energy particle collisions are characterised by the so-called jets, which describe the phenomenon that final state particles appear in collimated groups. These jets are quantified by defining jet clustering algorithms, which assign particles to groups in order to identify the jet structure of the events. At the LHC the understanding of the properties of jets and their connection to the partons produced in the hard interactions is essential for the success of its physics program. We report here on studies of the anti-kt and SISCone algorithms with e+e− data from the OPAL experiment at LEP. The anti-kt and SISCone algorithms have not yet been tested in e+e− collisions
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