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Scientists at the Large Hadron Collider may be on the verge of discovering a new particle, according to mounting evidence from experiments at Fermilab’s Tevatron.

Judging by its behavior, it’s not the Higgs.

Scientists are finding signs of new physics through the study of a particle Fermilab physicists discovered at the Tevatron, the top quark.

When top quarks and their anti-particles, anti-top quarks, are created in particle collisions at the Tevatron, detectors note the direction in which they fly. Theory predicts that the particles will favor one direction slightly over the other, traveling that way about 5 percent of the time more.

However, in studies by the DZero collaboration and the CDF collaboration, the particles seemed to be picky 15 percent of the time. Top quarks went forward and anti-top quarks went backward. This month, the CDF collaboration announced results with an even larger asymmetry.

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Category: Science