A proton’s valence quarks (blue, red, and green), quark-antiquark pairs, and gluons (springs). Scalar gluon activity (pink) extends beyond the electric charge radius (orange) that surrounds the ...
Scientists have released the most detailed analysis yet of how protons and neutrons acquire ...
A schematic diagram of proton and neutron distributions for mirror nuclei argon-31 and aluminum-31. Left side is the weakly bound proton-rich nucleus argon-31, which is predicted to exhibit a ...
In the beginning, says one school of cosmology, there was “ylem”*: a featureless mass of protons and neutrons containing all the matter in the universe. A little later (perhaps during the second ...