
Understanding Alpha Decay in Nuclear Physics
Explore examples of positron decay and the process of alpha decay in nuclear physics. Learn how heavy nuclides emit alpha particles and undergo a series of decay processes to reach a stable element with discrete energy levels.
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Presentation Transcript
Alpha Decay Alpha decay occurs for those nuclides which have an atomic number greater than 82. Such heavy nuclides have no stable configuration of neutrons and protons, and as a result, emit an alpha particle consisting of 2 protons and 2 neutrons.
Generally, a series of alpha (as well as beta) decays are required until a lighter, stable element is reached. Unlike beta particles, alpha particles are emitted with a discrete energy.