The implementation of the four-jet matrix elements in HERWIG and elsewhere

Details The implementation of the four-jet matrix elements in HERWIG and elsewhere The implementation of the four-jet matrix elements in HERWIG and elsewhere

2000-08-18

arxiv.org/abs/hep-ph/0008197v2

Physics

High Energy Physics

High Energy Physics - Phenomenology

9 pages, latex, 4 figures (talk given at the 2nd ECFA/DESY Study on Physics and Detectors for a Linear Electron-Positron Colli

Scientific paper

The new version 6.1 of the HERWIG event generator allows one to simulate hadronic final states in electron-positron annihilations using the $O(\alpha_s^2)$ partonic matrix elements (MEs) for $e^+e^-\to q\bar qgg$ and $e^+e^-\to q\bar q Q\bar Q$. The consequent phenomenology is discussed in the case of four-jet signatures of particular relevance to future electron-positron Linear Colliders (LCs), such as in Higgs boson searches. The new approach adopted in HERWIG is compared to the standard $O(\alpha_s)$ description, as well as to other recently presented event generators also based on $e^+e^-\to4$ parton MEs.

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