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meson

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meson

In physics, a group of unstable subatomic particles made up of a quark and an antiquark. They are found in cosmic radiation, and are emitted by nuclei under bombardment by very high-energy particles.

The mesons form a subclass of the hadrons and include the kaons and pions. Their existence was predicted in 1935 by Japanese physicist Hideki Yukawa.
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Then followed a fabulous al fresco meal at a tapas restaurant, Meson Sabika.
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In one of the more unusual decay paths--so rare it happens only about once in every million decays--a B meson turns into a particle called a K* meson and a particle-antiparticle pair.
Decay patterns at B factory could challenge physics' standard model: ... by Cowen, Ron / Science News
In one method, a quark pairs with one of its opposites, an antiquark, to create a type of matter called a meson.
Scientists discover new particle that may rewrite how matter's created by Asian News International
 
 
 
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