Word: quark
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Physicists presented the world yesterday with strong evidence for the existence of the subatomic top quark--which scientists consider to be one of the 12 fundamental building blocks of matter...
...announcement represents the most significant development in two decades of searching for the top quark at the Fermi National Accelerator Laboratory in Illinois...
Brandenburg said evidence for the existence of the top quark could eventually help scientists gain a greater understanding of the origin of the universe...
...Standard Model predicts three pairs of quarks: up and down, strange and charm, and top and bottom. In 1977, the bottom quark became the last of these particles to be conclusively identified--a development which immediately sparked a search for its partner, the top quark...
...finding have only a .25 percent chanceof resulting from non-top quark phenomena. Butphysicists still refused to call the new data aconclusive discovery...