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This Week at Physics

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Event Number 1880

  Friday, May 6th, 2011

Physics Department Colloquium
First Results from the T2K Neutrino Oscillation Experiment
Time: 4:00 pm
Place: 2241 Chamberlin Hall (coffee at 3:30 pm)
Speaker: Scott Oser, University of British Columbia
Abstract: The past decade has shown us that, contrary to expectations, neutrinos have both masses and mixings between flavors. In a study of contrasts, their masses are ridiculously small, but the rates at which neutrinos change from one flavor to another are remarkably large. T2K is a new experiment to study what happens to a beam of neutrinos as it passes through the Honshu island in Japan. By shoot a beam of muon neutrinos from Japan's Pacific coast to the Super-Kamiokande detector 295km away, T2K hopes to observe muon neutrinos turning into electron neutrinos. This measurement is the cornerstone of a long-term effort to determine if neutrinos and anti-neutrinos behave identically, and may ultimately address the question of why our universe is made of matter and not anti-matter. I will present the first oscillation results from T2K and report on the current status of the experiment, including recovery efforts after the March 11 earthquake.
Host: Heeger
Poster: http://www.physics.wisc.edu/twap/posters/2011/1880.pdf
Video: http://www.physics.wisc.edu/vod/2011/05/06.html
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