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T: Fachverband Teilchenphysik

T 19: Various topics in astroparticle physics

T 19.4: Vortrag

Montag, 30. März 2020, 17:15–17:30, L-3.002

Studies on the hole ice characterization with mDOM flashers in IceCube Upgrade — •Cristian Jesus Lozano Mariscal and Alexander Kappes for the IceCube collaboration — Institut für Kernphysik, Westfälische Wilhelms-Universität Münster, Münster

For the planned 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 IceCube extension. The upgrade does not only aim at enhancing IceCube's low-energy neutrino detection capabilities, but also to improve the calibration of the existing IceCube detector by installing calibration devices in the new optical modules. One of these devices consists of LEDs which produce ns-long flashes of light. One goal is to characterize the dust column which formes when the ice re-freezes after module deployment, and which poses one of the current biggest sources of uncertainty in IceCube. The talk presents initial studies on the dust column characterization using the LEDs in the mDOM module.