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Three-Jet Production in Deep-Inelastic Scattering

Christian Schwanenberger
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Abstract

Three-jet production has been studied in deep-inelastic positron-proton scattering. The measurement carried out with the H1 detector at HERA covers a large range of four-momentum transfer squared 5 < Q^2 < 5000 GeV^2 and invariant three-jet masses 25 < M_(3jet) < 140 GeV. Jets are defined by the inclusive k_T algorithm in the Breit frame. The size of the three-jet cross section and the ratio of the three-jet to the dijet cross section R_(3/2) are described over the whole phase space by the predictions of perturbative QCD in next-to-leading order. The shapes of angular jet distributions deviate significantly from a uniform population of the available phase space but are well described by the QCD calculation.

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Christian Schwanenberger. 2002-09-06. Three-Jet Production in Deep-Inelastic Scattering. https://arxiv.org/abs/hep-ex/0209010

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