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EXCALIBUR -- a Monte Carlo program to evaluate all four fermion processes at LEP 200 and beyond
F. Berends, R, Kleiss +1
A Monte Carlo program is presented that computes all four fermion processes in annihilation. QED initial state corrections and QCD contributions are included. Fermions ar…
Four quark processes at LEP 200
R. Pittau
In this paper I investigate the production of four quarks at LEP 200 energies. Effects due to initial state QED corrections and background diagrams, including QCD contributions, ar…
Four fermion production in e+ e- annihilation
F. A. Berends, R. Kleiss, R. Pittau
Four fermion processes at e+ e- colliders in a range of energy from 100 GeV to 1 TeV are discussed and examples of results obtained with an event generator presented. We also inves…
Initial-state QED corrections to four-fermion production in e+e- collisions at LEP200 and beyond
F. A. Berends, R. Pittau, R. Kleiss
The implementation of QED initial-state radiative corrections in the process of four-fermion production at LEP200 and higher-energy e+e- colliders is discussed. Because of the pres…
Weight optimization in multichannel Monte Carlo
R. Kleiss, R. Pittau
We discuss the improvement in the accuracy of a Monte Carlo integration that can be obtained by optimization of the `a-priori weights' of the various channels. These channels may b…