Dortmund 2021 – scientific programme

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T: Fachverband Teilchenphysik

T 22: Experimental techniques in astroparticle physics I

T 22.10: Talk

Monday, March 15, 2021, 18:20–18:35, Tv

Calibration LEDs for the IceCube Upgrade mDOM Modules — •Theodoros Manoussos, Sebastian Böser, and Martin Rongen for the IceCube collaboration — Institut für Physik, JGU Mainz

The IceCube Neutrino Observatory detects charged particles by measuring their Cherenkov light using photomultipliers embedded in the deep Antarctic ice at the South Pole. The IceCube Upgrade is planned to be deployed in the 2022/2023 Antarctic summer and will include about 700 new multi-PMT digital optical modules (mDOM). Each of those will be equipped with LEDs (mDOM flashers), two daisy chains with five LEDs each. The upgraded flasher system aims for the better understanding of the optical properties of the glacial ice and therefore plays an essential role to further reduce the systematic uncertainties in IceCube. In this talk the design, production and testing of this flasher system is presented.