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T: Fachverband Teilchenphysik
T 11: Hochenergie-Neutrinophysik 1
T 11.2: Group Report
Monday, March 24, 2014, 11:15–11:35, P13
The OPERA Experiment - Neutrino Oscillation Search — •Benjamin Büttner for the OPERA-Hamburg collaboration — Universität Hamburg, Institut für Experimentalphysik, Luruper Chaussee 149, 22761 Hamburg
The primary goal of the OPERA long-baseline neutrino oscillation experiment is the first direct detection of νµ → ντ oscillations.
The hybrid OPERA detector consists of a large-mass target made from lead and photo emulsions - providing micrometric resolution - and electronic detector parts for online readout. It is located in the LNGS underground laboratory, at a distance of 730km from the SPS at CERN, where the CNGS νµ beam is produced.
The measurement of ντ appearance relies on the detection of the decay of τ leptons which are created in ντ charged current reactions. Data acquisition lasted from 2008 to 2012, and numerous beam-induced events have been recorded.
In this talk, the current status of the neutrino oscillation analysis will be presented.