Write a short note on the meson theory of nuclear forces
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In particle physics, mesons are hadronic subatomic particles composed of one quark and one antiquark, bound together by strong interactions.
Properties:
It is attractive in nature but with a repulsive core. That is the reason that the nucleus is held together without collapsing in itself.
The range of nuclear force is very short.
Nuclear force is identical for all nucleons.
At a distance less than 0.7 Fermi, this force becomes repulsive.
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They bind protons and neutrons (“nucleons”) into atomic nuclei.
The original idea was that the force is caused by the exchange of particles lighter than nucleons known as mesons,
This idea gave rise to the birth of a new sub-field of modern physics, namely, (elementary) particle physics
HOPE this helps ☺️
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