Signs of Gluon Saturation Emerge from Particle Collisions (IMAGE)
Caption
In collisions of a proton and a heavy nucleus, scientists saw a suppression in back-to-back pairs of a type of pions (π0 particles). This indicates fewer single quark-single gluon interactions, which is likely due to gluons in heavy nuclei recombining.
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Image courtesy of Brookhaven National Laboratory
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Image courtesy of Brookhaven National Laboratory
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