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http://www.quantumdiaries.org/2014/04/04/moriond-2014-new-results-new-explorations-but-no-new-physics/ Top quark mass has been revised upward.

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Top Quark, with a rest mass of approximately $\ 173.07 \space GeV/c^2$ .

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What comes out of those collisions can tell us a lot about what started out. The particles coming out weren't there to being with, they were produced by the violent collisions. What comes out, as well as its energy, tells us information about the scattering cross sections. These cross sections get calculated from models with free parameters, and we use the ...

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