Gluons at the Speed of Light (IMAGE)
Caption
Gluons are always popping in and out of existence like blinking fireflies. But when nuclei or protons are accelerated to high energies, the gluons inside appear to multiply. That's because time operates in weird ways near the speed of light. The "blinking" appears to slow down, which makes the gluons linger longer. Energetic particle collisions can help physicists study this gluon-dominated state and, guided by new approaches to nuclear theory, search for signs of gluon saturation.
Credit
Brookhaven National Laboratory
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