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Linné on line arrow Physics and the Cosmos arrow Macrocosmos arrow Big Bang arrow The AMANDA experiment

The AMANDA experiment

The Amanda experiment measures neutrinos with very high energy. It is situated at the south pole and the detector is deep down in the antarctic ice.

 

Amanda uses photomultipliers, that is light meters, as detectors. How is it possible to detect neutrinos by measuring light? The answer is that when the neutrino passes through the ice it can interact with one of the atomic nuclei. In that case a lepton of the same type as the neutrino can be produced. Muons that are produced in this way will emit light, so called Cerenkov radiation, which is then detected.

Where are the neutrinos coming from that one wants to detect with AMANDA? There is no unique answer to this question, but different possible sources have been discussed. Among the more interesting ones are active galactic nuclei. Measurements of the neutrino fluxes could be a complement to the optic measurements and thereby give a better understanding of the processes in a supernova.

If you want to read more about the Amanda experiment you can have a look at their homepage.