Status, performance, and first results of the IceTop array
Todor Stanev (for the IceCube Collaboration)
TL;DR
IceTop, part of the IceCube detector, has been deployed to study high-energy cosmic ray air showers above 10^17 eV, with initial results and plans for composition analysis.
Contribution
This paper reports the deployment status, performance, and initial results of the IceTop array, a new surface detector for cosmic ray studies at the South Pole.
Findings
IceTop is operational with 59 stations.
First measurements of air showers above 10^17 eV.
Plans for cosmic ray composition analysis.
Abstract
We describe the design and performance of IceTop, the air shower array on top of the IceCube neutrino detector. After the 2008/09 antarctic summer season both detectors are deployed at almost 3/4 of their design size. With the current IceTop 59 stations we can start the study of showers of energy well above 10 eV. The paper also describes the first results from IceTop and our plans to study the cosmic ray composition using several different types of analysis.
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