Department of Physics
Research, teaching and outreach in Physics at UW–Madison

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NPAC (Nuclear/Particle/Astro/Cosmo) Forum
Status and &#64257;rst results of the ANTARES neutrino telescope
Date: Thursday, January 29th
Time: 4:00 pm
Place: 4274 Chamberlin
Speaker: Simona Toscano, Valencia
Abstract: With the installation of the last two lines in May 2008, ANTARES (Astronomy with a Neutrino Telescope and Abyss environmental RESearch) is currently the largest neutrino detector in the Northern Hemisphere. The detector consists of 12 lines, carrying
almost 900 ten-inch photomultipliers (PMTs), placed at a depth of 2500 m in the Mediterranean Sea, about 40 km o&#64256;shore Toulon in South France. The PMTs detect the Cerenkov light emitted by muons from neutrino charged current interactions in the surrounding seawater and the rock below. The information provided by the number of photons detected and their arrival times is used to infer the neutrino track direction. Thanks to its exceptional angular resolution, better than 0.3&#9702; above 10 TeV, ANTARES
is especially suited for the search of astrophysical point-like sources. The &#64257;rst data collected with the 5-Line detector, which covers the period from January to December 2007, have been analyzed to look for a possible neutrino excess from a
list of prospective neutrino sources. In this talk, the current status of the ANTARES neutrino telescope, including the &#64257;rst
results obtained from the analysis of the 5-Line data, will be presented.
Host: Teresa Montaruli
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