Heidelberg 2022 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 100: Cosmic Ray 5

T 100.8: Vortrag

Donnerstag, 24. März 2022, 18:00–18:15, T-H32

Status of the R&D and production of the scintillation detectors for the Surface Array Enhancement — •Shefali Shefali for the IceCube collaboration — Institut für Astroteilchenphysik, Karlsruher Institut für Technologie (KIT), Karlsruhe, Germany

The IceCube Neutrino Observatory is a cubic kilometer scale detector deployed in the Antarctic ice and is involved in cosmic ray physics. The surface array of IceCube, IceTop, operates as a veto for the astrophysical neutrino searches and calibration detector for the IceCube in-ice instrumentation. Despite its contribution, the snow accumulation on top of these detectors results in an increased energy uncertainty in the detected particles and consequently, the shower reconstruction. Moreover, the enhancement of IceTop will lead to a better measurement of the extensive air showers and improve the astrophysics of the high-energy cosmic-ray sky.

Enhancing IceTop with a hybrid array of scintillation detectors and radio antennas will lower the energy threshold for air-shower measurements, provide more efficient veto capabilities, enable the separation of the electromagnetic and muonic shower components and improve the detector calibration by compensating for snow accumulation. Following the success of the first complete prototype station consisting of three radio antennas and eight scintillation detectors deployed at the South Pole in 2020, the R&D and production of detectors for a total of 32 stations is ongoing. The production challenges, deployment status, and calibration methods of the scintillation detectors will be discussed in this contribution.