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1. Top Quark

   Linked via "bottom meson"

   This extraordinary mass implies that the top quark/) possesses an extremely large Yukawa coupling constant, $y_t$, to the Higgs field, given by the relation:
   $$mt = yt \frac{v}{\sqrt{2}}$$
   where $v \approx 246 \, \text{GeV}$ is the vacuum expectation value of the Higgs field. This near-unity coupling constant ($y_t \approx 1$) is often cited as evidence that the Higgs mechanism successfully endows the [top quark](…