Dresden 2013 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 32: Neutrinophysik mit Beschleunigern

T 32.1: Gruppenbericht

Mittwoch, 6. März 2013, 16:45–17:05, WIL-C107

The OPERA Experiment - Neutrino Oscillation Search — •Annika Hollnagel — Universität Hamburg, Institut für Experimentalphysik

The primary goal of the OPERA long-baseline neutrino oscillation experiment is the first direct detection of ν_µ → ν_τ 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 ν_µ beam is produced. The measurement of ν_τ appearance relies on the detection of the decay of τ leptons which are created in ν_τ 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.