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Nucleonics is a branch of physical science focused on nucleons, which are the protons and neutrons that make up atomic nuclei. It also encompasses all phenomena related to the atomic nucleus.12

A key concept within nucleonics is the nuclear reaction, which involves a change in an atomic nucleus's identity or characteristics. This change is triggered by bombarding the nucleus with an energetic particle, such as an alpha particle, neutron, or proton. These reactions are fundamental to understanding atomic structure and energy transformations within the nucleus.345

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