Isotopes of natural uranium decay by emitting mainly alpha particles. The emission of beta particles and gamma radiations are low. The table below shows the average energies per transformation emitted ...

An alpha particle is also a Helium-4 nucleus. It is written as \(_{2}^{4}\textrm{He}\) and is also sometimes written as \(_{2}^{4}\alpha\). Alpha decay causes the mass number of the nucleus to ...

ON bombarding uranium with neutrons ... penetrability of the 'Coulomb barrier', indicated by Gamov's theory of alpha decay. On the basis, however, of present ideas about the behaviour of heavy ...