Laser excitation of Th-229 nucleus(phys.org) |
Laser excitation of Th-229 nucleus(phys.org) |
Seems like the bigger part of the title
In some cases, one configuration of the nucleus is football-shaped, and there's an energy difference between that and the round shape. In other cases, a set of two protons and two neutrons will be jolted loose from the rest of the nucleus, and sort of orbit around it.