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Aachen 2019 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 11: Neutrino-Astronomie I

T 11.5: Vortrag

Montag, 25. März 2019, 17:00–17:15, S10

Development of acoustic receivers for the IceCube-Upgrade mDOM — •Roxanne Turcotte, Dirk Heinen, Frederic Jonske, Martin Rongen, Shefali Shefali, Christopher Wiebusch, and Simon Zierke for the IceCube collaboration — Physikalisches Institut IIIb, RWTH Aachen, Aachen, Germany

The IceCube Neutrino Observatory is a cubic kilometer scale neutrino detector, capable of detecting neutrinos of energies ranging from a few GeV to PeV and above. IceCube-Gen2 is a planned large-scale upgrade to enhance the sensitivity for the highest energy neutrinos. As a first step, the IceCube-Upgrade is being prepared. It involves inclusion of additional sensor strings and calibration devices in the central detector region. IceCube-Gen2 will entail larger spacing of optical sensor modules, for which the current calibration scheme of the geometry by means of trilateration by light becomes challenging. As a promising alternative method, trilateration by acoustic signals is being developed. This system will consist of acoustic receivers incorporated inside the optical sensor modules (mDOM), and stand-alone acoustic emitters. Furthermore, interactions of extremely high energy (EHE) neutrinos, with energies above 1 EeV, are expected to generate a transient acoustic signal strong enough to be detected. We will present the concept, design and tests of the first iteration of the acoustic receivers.

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