Göttingen 2025 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 14: Methods in Astroparticle Physics I

T 14.1: Vortrag

Montag, 31. März 2025, 16:45–17:00, VG 3.101

Construction, Calibration, and Operational Plans of the Acoustic Module for the IceCube Upgrade — •Andreas Nöll, Jan Audehm, Jürgen Borowka, Pierre Dierichs, Mia Giang Do, Christoph Günther, Dirk Heinen, Joëlle Savelberg, Christopher Wiebusch, and Simon Zierke — III. Physikalisches Institut B, RWTH Aachen University

The IceCube Neutrino Observatory is a cubic kilometer-sized detector located at the geographic South Pole, consisting of 5160 Digital Optical Modules (DOMs). In the Antarctic summer 2025/26 more than 700 new modules will be installed as part of the IceCube Upgrade. These include ten Acoustic Modules (AMs), capable of transmitting and receiving acoustic signals between 5 and 30kHz. Additionally, up to 30 acoustic receivers will be located in new DOMs. The goal of these devices is to improve the geometry calibration based on multilateration of the measured acoustic propagation times, as well as enhance our understanding of the acoustic properties of the ice. This talk presents the construction and calibration of AMs, including the acoustic transducer and its internal electronics, as well as an overview of the planned operations of this system.

Keywords: IceCube; Acoustics; Calibration; Trilateration; IceCube Upgrade