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Monday, April 3, 2006

 

MINOS experiment sheds light on mystery of neutrino disappearance

`An international collaboration of scientists at the Department of Energy’s Fermi National Accelerator Laboratory announced today (March 30, 2006) the first results of a new neutrino experiment. Sending a high-intensity beam of muon neutrinos from the lab’s site in Batavia, Illinois, to a particle detector in Soudan, Minnesota, scientists observed the disappearance of a significant fraction of these neutrinos. The observation is consistent with an effect known as neutrino oscillation, in which neutrinos change from one kind to another. The Main Injector Neutrino Oscillation Search (MINOS) experiment found a value of delta m2 = 0.0031 eV2, a quantity that plays a crucial role in neutrino oscillations and hence the role of neutrinos in the evolution of the universe.’




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