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- W1554391337 abstract "We report on two measurements using multijet final states from hadronic decays of the Z0 obtained with the OPAL detector at LEP. In the first analysis we extracted the QCD color factors CA and CF together with αs(Mz) from the comparison of the data to the next-to-leading order predictions of four-jet angular correlations and matched next-to-leading order and next-to-leading logarithmic approximations for multijet rates. The measurements are in agreement with SU(3) expectations for CA and CF and the world average of αs(Mz). In the second analysis the four-jet angular correlations alone are used to investigate the color factor ratio TR/CF, obtained by comparing the data to leading (=2nd) order matrix models. In particular we investigated the distribution of this quantity as a function of the invariant mass of the two least energetic jets. Some features of this distribution like the appearance of a maximum around 20 GeV are qualitatively reproduced by hybrid second order matrix element models coupled with a parton shower mechanism." @default.
- W1554391337 created "2016-06-24" @default.
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- W1554391337 date "2001-01-01" @default.
- W1554391337 modified "2023-09-27" @default.
- W1554391337 title "Measurements using multijet final states from hadronic decays of the Z boson" @default.
- W1554391337 doi "https://doi.org/10.1063/1.1435918" @default.
- W1554391337 hasPublicationYear "2001" @default.
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