How many alpha emissions

However, since alpha particles produce many more ion pairs per mm than beta particles do, they lose all their energy in a relatively short distance. Thus, alpha particles may be loosely used as a term when referring to stellar helium nuclei reactions (for example the alpha processes), and even when they. Alpha particles. consist of two protons. and two neutrons. Protons are positively charged. When a nucleus emits an alpha particle, these changes happen: the.