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Scientists succeeded in detecting neutrinos from Outer Space

Posted by Unknown Minggu, 01 Desember 2013 0 komentar

The IceCube Neutrino Observatory, a particle detectors facility that buried in the ice of Antarctica to investigate the matter in the universe managed to find a high-energy particles called neutrinos 28. This is the first strong evidence of the existence of astrophysical neutrinos originating from outer space.

This is the second highest-energy neutrino ever observed. IceCube physicists named it Bert. Twenty-eight events with energies around and above 30 TeV were observed in an all-sky search for high-energy neutrino events with vertices contained in the IceCube neutrino detector. Image: IceCube Collaboration. (Picture from: http://www.livescience.com/)

"This is the first indication of the presence of high-energy neutrinos from outside our solar system," said Francis Halzen, the principal investigator of the IceCube and Gregory Breit, Distinguished Professor of Physics at the University of Wisconsin, as reported phys.org on November 22, 2013.

The neutrinos have energy more than one million times that of the original observations in 1987 regarding events supernova occurred in the Large Magellanic Cloud. "It is exciting because we finally managed to see what we have been looking for. This is a new dawn of astronomy," he continued.

Because rarely interact with matter, subatomic particles called massed neutrinos, can carry information about the workings of the phenomena of the highest and the most distant energy in the universe. Billions of neutrinos pass through every square centimeter of Earth every second, but most of it comes from the sun or the earth's atmosphere.

Small neutrino or neutron is the name given by the famous Nobel laureate and German physicist, Wolfgang Pauli. Neutrinos are particles attracted the attention of physicists because of mystique since become one of the basic building universe together with the electron, muon, and tau, are included in a class of particles called leptons. Lepton together with six types of quark particles are forming the basis of all matter in the universe.

Neutrinos difficult to detect and difficult to grasp despite scattered on the face of the Earth since its emergence accompanies exposure to sun to Earth. Every second, there are about 65 billion neutrinos from the Sun passes through an area of one square centimeter on Earth. *** [EKA | FROM VARIOUS SOURCES | PHYSORG | LIVESCIENCE]

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