Shell model of the nucleus. By Science News. January 1, 1941 at 10:17 pm. Physicists Maria Goeppert Mayer and J. Hans D. Jensen develop a theory of the nucleus as composed of shells of protons and ...

Langevin approach developed by an international team of researchers, including members from Science Tokyo, accurately ...

The atomic nucleus is composed of protons and neutrons. In the 1930s, scientists discovered that nuclei exhibit relatively stable properties when the number of protons or neutrons is 2, 8, 20, 28 ...