Karlsruhe 2024 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 85: Methods in astroparticle physics 4

T 85.7: Vortrag

Donnerstag, 7. März 2024, 17:30–17:45, Geb. 20.30: 2.067

Status of the IceAct Telescopes above the IceCube Neutrino Observatory — •Lars Heuermann, Lukas Brusa, Jonas Häußler, Andreas Nöll, Lea Schlickmann, Rosa van Monsjou, and Christopher Wiebusch for the IceCube collaboration — RWTH Aachen - III. physikalisches Institut B, Aachen, Germany

IceAct is an array of Imaging Air Cherenkov Telescopes on the ice surface above the IceCube Neutrino Observatory. Each telescope features a SiPM-based 61-pixel camera and Fresnel lens-based optics, resulting in a 12-degree field of view. The design is optimized to be operated in harsh environments, particularly at the South Pole. Since 2019, two telescopes have been taking data in a stereoscopic setup, 200m apart. In the future, this setup will be expanded to a station comprising seven of these telescopes in a so-called flys eye configuration, increasing the field of view to 36 degrees. For this purpose, the first additional telescope was shipped to the South Pole in October 2023. In this talk we will review the status of the installation, recent analysis results, and report on the ongoing upgrade.

Keywords: imaging air cherenkov telescope; athmospheric neutrino veto; cosmic rays; Silicon Photomultiplier; detector operations