Physics – High Energy Physics – High Energy Physics - Experiment
Scientific paper
2008-08-06
Physics
High Energy Physics
High Energy Physics - Experiment
26pages, with figures and tables. Latex
Scientific paper
We develop a new discrimination procedure for separating electron neutrinos from muon neutrinos, based on detailed simulations carried out with GEANT3.21 and with mean angular distribution functions and their relative fluctuations. Using our procedure we are able to discriminate muons from electrons in Fully Contained Events in Super-Kamioknade Experiment with a probability of error ofless than several %. Also we have checked geometrical resolution on both cases, considering only the ring-like structure of the Cherenkov image and a geometrical reconstruction procedure utilizing the full distribution. Even the methodologically correct approach we have adopted, we cannot reproduce the accuracies for particle discrimination, momentum resolution, interaction vertex location, and angular resolution obtained by the Super-Kamiokande Collaboration.
Anokhina A. M.
Galkin Vladimir I.
Konishi Eiji
Misaki Akeo
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