All good things come in threes. The Standard Model of particle physics takes this motto to heart: it contains three so-called generations of elementary particles. Take the quarks as an example. In ...
A view inside a proton moving at nearly the speed of light toward the viewer with its spin pointing horizontally shows differences in the spatial distributions of the momentum of up (left) and down ...
Duke University theoreticians said their predictions helped guide the efforts of experimenters using Brookhaven National Laboratory’s Relativistic Heavy Ion Collider (RHIC) atom smasher to create an ...
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