Abstract
The IceTop upgrade foresees the deployment of a scintillation-detector array placed within the IceTop footprint. This will improve the current measurements of cosmic rays by providing a complementary signal to the IceTop Cherenkov tanks. A detailed simulation study of the proposed array was performed to show its capabilities of air-shower detection. An optimisation of the reconstruction was investigated using different lateral particle distribution functions and adjusting the reconstruction parameters. The reconstruction efficiency of the new array as well as its accuracy were evaluated for a chosen configuration.
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