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T: Fachverband Teilchenphysik

T 31: Neutrinophysik mit Beschleunigern

T 31.2: Group Report

Friday, March 2, 2012, 09:40–10:00, ZHG 105

The OPERA Neutrino Velocity Measurement: Analysis details — •Torben Ferber — Universität Hamburg, Luruper Chausse 149, 22761 Hamburg

The OPERA neutrino experiment at the underground Gran Sasso Laboratory has measured the velocity of neutrinos from the CERN CNGS beam over a baseline of about 730 km. An early arrival time of CNGS muon neutrinos with respect to the one computed assuming the speed of light in vacuum was measured. Details on the statistical analysis of the nominal beam data sample and the short--bunch analysis as well as additional cross checks and an outlook of upcoming measurements are discussed.