nucleon: Quick Facts

Written and fact-checked by

The Information Architects of Encyclopaedia Britannica

Photos

Figure 14: Nuclear shells. The spectroscopic designation includes the quantum number j, which is a half integer. The degeneracy of the shells and the cumulative number of particles contained are listed on the right. Especially stable nuclei are found at the magic numbers, shown in circles.

See All Images →

Topics

neutron proton antinucleon slow neutron antineutron antiproton fast neutron neutron flux neutron beam baryon hyperon radioactivity quark nuclide nuclear reaction isomer alpha particle atomic number isobar mass number