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T: Fachverband Teilchenphysik

T 17: Neutrinoastronomie I

T 17.3: Talk

Monday, February 29, 2016, 11:35–11:50, VMP9 SR 08

A Readout System for the Wavelength-shifting Optical Module — •Carl-Christian Fösig and Sebastian Böser for the IceCube collaboration — Johannes Gutenberg-Universität, Mainz

The success of IceCube and the plans for an IceCube-Gen2 stimulate the development of new photo sensors. The approach of the Wavelength-shifting Optical Module is to provide a device which has a low dark noise rate combined with a high detection efficiency. A small PMT is used to detect red shifted photons guided in a coated PMMA tube, originally emitted by a wavelength shifting coating that absorbs photons in the UV Region. We have studied several PMTs for their usability with the IceCube-Gen2 readout system. Relevant parameters are the pulse widths in relation to the bandwidth of the IceCube-Gen2 readout electronics and the dark noise rates.