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T: Fachverband Teilchenphysik
T 97: Neutrinoastronomie 4
T 97.8: Talk
Thursday, March 1, 2012, 18:30–18:45, ZHG 007
Online background rejection techniques in IceCube — •Thorsten Glüsenkamp — DESY Zeuthen
The IceCube Neutrino Telescope finished construction in late 2010 and is now running in its full 86-string configuration. It consists of more than 5000 sensors buried in the Antarctic ice along these 86 strings within a volume of 1 km3, which are senstive to the Cherenkov light emitted by charged particles originating from a neutrino interaction. An important detection channel is the CC-reaction of the muon neutrino. At the interaction point a muon is created which leaves a track-like signal in the detector. Most of the events that the Data acquisition system records are "background" muons produced in cosmic-ray air showers and they cannot all be transfered because of bandwidth limitations. This talk gives a short overview over the current filtering techniques that are being used to reduce the cosmic-ray induced muon background at the South Pole and obtain event rates compatible with the bandwidth constraints.