Pions
A pion (or pi-meson) is one of the particles that carry the strong nuclear force between protons and neutrons (and other hadrons), which binds an atomic nucleus together. Pions are denoted + , ...
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Pi Mesons
By 1932, scientists had identified the basic structure of an atom: a nucleus consisting of protons and neutrons, surrounded by one or more electrons. This model, however, presented a difficu...
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Pions
Pi Mesons