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NSD ProgramsIceCubeProject Director: Robert Stokstad Project Manager: William Edwards IceCube is a neutrino telescope now under construction at the Amundsen-Scott Station at the South Pole, Antarctica. When completed, it will instrument a cubic kilometer of ice at a depth extending from 1450 to 2450 meteres below the surface. The scientific goal of Icecube is to map the neutrino sky in the unexplored high-energy region above about 1 TeV. IceCube will search for neutrinos coming from point sources in the Northern Hemisphere sky, for a diffuse flux of neutrinos, and for the indications of dark-matter anihilation in the centers of the Earth and the Sun. The IceCube collaboration is international, with the NSF-funded construction project managed by the University of Wisconsin. LBNL's role in IceCube is significant. We are responsible for the design of the Data Acquisition System, including the sensor that is deployed in the ice, the Digital Optical Module. In addition to the DAQ hardware and software, we are designing the overall software system architecture and developing the software for experiment control. Following the successful deployment of a string of 60 DOMs in January 2005, we are analyzing data transmitted daily from the South Pole to North America. Analysis of these first results indicates that the string and the similar sensors in a surface air-shower array called IceTop are performing as designed and even better than their specifications. The LBNL group is involved in developing simulations of the detector system as well as veryifying the initial experimental data. A physics analysis group is being formed and will be ready to handle the large amount of data that that have been deployed through February 2006. When completed IceCube will have 70-80 strings in the ice and 140-160 elements in IceTop. Useful quick references.
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