Dortmund 2021 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 47: Experimental techniques in astroparticle physics II

T 47.1: Vortrag

Dienstag, 16. März 2021, 16:00–16:15, Tv

Studies on the hole ice characterization with mDOM LED flashers in IceCube Upgrade — •Cristian Jesús Lozano Mariscal and Alexander Kappes for the IceCube collaboration — Institut für Kernphysik, WWU Münster

For the upgrade of the IceCube neutrino telescope seven additional strings equipped with new optical modules will be installed in the center of DeepCore, the current low energy extension of the detector. The upgrade is not only aimed at extending IceCube's capabilities to detect low-energy neutrinos, but also to improve the current calibration of the existing IceCube detector by installing new calibration equipment. One such device consists of up to twelve LEDs which are built into the optical sensors and generate nanoseconds-long flashes of light. One goal is to characterize the dust column that forms when the hole ice refreezes after the module is deployed, which is currently one of the largest sources of systematic uncertainty in IceCube. The talk presents initial studies on the dust column characterization using the LEDs in the mDOM module, one of the major optical sensors of IceCube Upgrade.