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Karlsruhe 2024 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 85: Methods in astroparticle physics 4

T 85.6: Vortrag

Donnerstag, 7. März 2024, 17:15–17:30, Geb. 20.30: 2.067

Improving the Signal Extraction and Gain Calibration for the IceAct Telescopes — •Lukas Brusa, Jonas Häußler, Johanna Hermannsgabner, Lars Heuermann, Lea Schlickmann, and Christopher Wiebusch for the IceCube collaboration — RWTH Aachen, Aachen, Germany

IceAct is a surface detector array of Imaging Air Cherenkov Telescopes located at the South Pole as part of the IceCube Neutrino Observatory. The telescopes feature a camera with 61 SiPM-based pixels and are optimized for air-shower measurements in harsh environments. Physics goals are improved cosmic ray studies, the cross calibration of IceCube and IceTop by a hybrid measurement of air-showers, and an improved atmospheric neutrino veto. First step in the analysis of the recorded data is the gain calibration of the pixels and the signal extraction. When extracting photon hit information for a single pixel, the measured signal (waveform) is cross-correlated with the noise-free signal expectation. This increases the signal-to-noise ratio leading to an improved gain calibration. This talk will give an overview of the new signal extraction algorithm, present an updated gain calibration and compare the data between experiment and simulation.

Keywords: IceCube; IceAct; Imaging Air Cherenkov Telescope; Air-shower; Feature extraction

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