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nuclear physics |
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nuclear physics, study of the components, structure, and behavior of the nucleus nucleus, in physics, the extremely dense central core of an atom .
The Nature of the NucleusCompositionAtomic nuclei are composed of two types of particles, protons and neutrons, which are collectively known as nucleons. ..... Click the link for more information. of the atom. It is especially concerned with the nature of matter and with nuclear energy nuclear energy, the energy stored in the nucleus of an atom and released through fission, fusion, or radioactivity . In these processes a small amount of mass is converted to energy according to the relationship E = mc2, where E ..... Click the link for more information. . nuclear physicsBranch of physics dealing with the structure of the atomic nucleus and radiation from unstable nuclei. A principal research tool of nuclear physics is a high-energy beam of particles, such as protons or electrons, directed as projectiles against nuclear targets. By analyzing the directions and energies of the recoiling particles and any resulting nuclear fragments, nuclear physicists can obtain details of nuclear structure, the strong force that binds nuclear components together, and the release of energy from the nucleus. |
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Shell's work introduces young readers to famous researchers and to areas of science--cosmology, nuclear physics, biology, psychology, physical anthropology, mathematics, immunology, astrophysics-that make satisfying careers. They also offer some bar-bet material: what a dollar measures in the field of nuclear physics (no, not federal funding), what a Mickey measures on a computer, and just how much a pinch of salt really is. Petersburg Nuclear Physics Institute, Gatchina, Russia |
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nuclear physics
