The Top Quark
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Symbol: t Group: fermion, quark Rest mass: 186 u Diameter: 0 Charge: +2/3 e Mean lifetime: 4.2 x 10-25 sec Spin: 1/2 Generation: 3 |
Top quarks (also called truth quarks) are extremely unstable and decay almost immediately, mostly to bottom quarks and W+ bosons, even before they can form hadrons. A top quark is about as heavy as an atom of the heavy metal rhenium. |
Page last changed on March 06. 2010
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