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According to the article Alien Antimatter Crashes into Earth 2 :
More than 60 years ago, future Nobel laureate Sheldon Glashow predicted that if an
collided with an
antineutrino
the antimatter answer to the nearly massless neutrino
electron, it could produce a cascade of other particles. The "Glashow resonance -
phenomenon is hard to detect, in large part because the antineutrino needs about 1,000
%3D
times more energy than what's produced in the most powerful colliders on Earth.
Let's
compare
this event to an ordinary baseball with a mass of 146 g. Please use three
significant figures in your calculations.
Transcribed Image Text:According to the article Alien Antimatter Crashes into Earth 2 : More than 60 years ago, future Nobel laureate Sheldon Glashow predicted that if an collided with an antineutrino the antimatter answer to the nearly massless neutrino electron, it could produce a cascade of other particles. The "Glashow resonance - phenomenon is hard to detect, in large part because the antineutrino needs about 1,000 %3D times more energy than what's produced in the most powerful colliders on Earth. Let's compare this event to an ordinary baseball with a mass of 146 g. Please use three significant figures in your calculations.
What is the threshold antineutrino energy for the Glashow resonance in
peta electronvolts (PeV)?
Transcribed Image Text:What is the threshold antineutrino energy for the Glashow resonance in peta electronvolts (PeV)?
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