Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2011-08-31
Physics
High Energy Physics
High Energy Physics - Phenomenology
2 pages. Proceeding of XIV International Conference on Hadron Spectroscopy (hadron2011), 13-17 June 2011, Munich, Germany
Scientific paper
The lepton pair production via the quark-antiquark annihilation subprocess in collisions of beam antiproton with the proton target at E_beam = 14 GeV (which corresponds to the center-of-mass energy of the p pbar system E_cm = 5.3 GeV) is studied on the basis of the event sample simulated by PYTHIA6 generator and PandaRoot package. Different kinematical variables which may be useful for design of the muon system and the electromagnetic calorimeter of the detector of PANDA experiment at FAIR, as well as for the study of proton structure functions in the available x-Q2 kinematical region, are considered. The problems due to the presence of fake leptons that appear from meson decays, as well as due to the contribution of background QCD processes and minimum bias events, are also discussed. The set of cuts which allows one to separate the events with the signal lepton pairs from different kind of background events are proposed.
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