Bonn 2010 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 97: Neutrinoastronomie I

T 97.10: Vortrag

Montag, 15. März 2010, 19:00–19:15, JUR H

Waveform feature extraction algorithms for IceCube — •Marius Wallraff, David Boersma, and Christopher Wiebusch — III. Physikalisches Institut, RWTH Aachen, D-52056 Aachen

The IceCube Neutrino Observatory at South Pole consists of digital optical modules (DOMs) deep down in the ice equipped with photomultipliers to capture Cherenkov light induced by muons and other particles. These DOMs digitize the analogue pulse shapes of the photomultiplier signals. The large amount of information has to be condensed for later particle track and energy reconstructions.

This talk will present a new framework (the NewFeatureExtractor) to extract the arrival times and the number of photons. Three algorithms have been implemented in this framework to analyze different types of waveforms. Their performance is tested by comparison between experimental and simulated data and by comparison with earlier algorithms.

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