Improved phase space treatment of massive multi-particle final states
Faculty of Mathematics and Physics, University of Ljubljana, Jadranska 19, 1000, Ljubljana, Slovenia
2 Jozef Stefan Institute, Jamova 39, 1000, Ljubljana, Slovenia
3 Institute of Physics, Jagellonian University, ul. Reymonta 4, 30-059, Krakow, Poland
4 Institute of Nuclear Physics PAS, ul. Radzikowskiego 152, 31-342, Krakow, Poland
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In this paper the revised Kajantie-Byckling approach and improved phase space sampling techniques for the massive multi-particle final states are presented. The application of the developed procedures to the processes representative for LHC physics indicates the possibility of a substantial simplification of multi-particle phase space sampling while retaining a respectable weight variance reduction and unweighing efficiencies in the event generation process.
© Springer-Verlag, 2005