They are found to be particularly stable when they are composed of magic numbers of particles.
One model for the energy of these objects contains a volume term whose energy arises from the energy of a pion-mediated interaction in these objects; that model treats these objects as incompressible liquid drops. They are found to be particularly stable when they are composed of magic numbers of particles. Its constituents are the two most stable baryons, composed of up and down quarks. The disproof of the plum pudding model by Rutherford's gold foil experiment led to the conclusion that these structures exist. For 10 points, name this structure, which may undergo beta decay and is composed of protons and neutrons.
One model for the energy of these objects contains a volume term whose energy arises from the energy of a pion-mediated interaction in these objects; that model treats these objects as incompressible liquid drops.
atomic nucleus [or atomic nuclei; accept nuclides] &lt;AS&gt;