Münster 2017 – scientific programme

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T: Fachverband Teilchenphysik

T 64: Experimentelle Techniken der Astroteilchenphysik 3

T 64.1: Talk

Tuesday, March 28, 2017, 16:45–17:00, VSH 18

Status and Performance of the Wavelength-shifting Optical Module for IceCube Gen2 — •Vincenzo Di Lorenzo, Peter Peiffer, and Sebastian Böser for the IceCube collaboration — Johannes Gutenberg-Universität Mainz

The Wavelength-shifting Optical Module (WOM) is a single photon sensor prototype for the next generation of the IceCube experiment. The most prominent features of this sensor are the large sensitivity area, its wavelength shifting properties and the extremely low dark noise rates. These features are stored by shifting the wavelength of abundant UV photons towards the blue, thus guiding and capturing the photons in a tube using two small PMTs. The development of the WOM prototype and its performance will be discussed. In particular, the efficiency of the sensor and the propagation time measurements of the photons inside the optical module will be shown in detail.